Stories By: Hydrogen-Electric Engines

American Enters Into Conditional Agreement to Buy Hydrogen-Electric Engines

Airline also increases investment in ZeroAvia….

July 2, 2024

2 minutes read

img:is([sizes=auto i],[sizes^="auto,"i]){contain-intrinsic-size:3000px 1500px}/*! This file is auto-generated */.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}.wp-grid-builder:not(.wpgb-template),.wpgb-facet{opacity:0.01}.wpgb-facet fieldset{margin:0;padding:0;border:none;outline:none;box-shadow:none}.wpgb-facet fieldset:last-child{margin-bottom:40px}.wpgb-facet fieldset legend.wpgb-sr-only{height:1px;width:1px}#brx-header{--x-header-transition: 0;--x-header-fade-transition: 0}#brx-header.x-header_sticky-active{z-index:999}@font-face{font-family:"Montserrat";font-weight:400;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Regular.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Regular.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Regular.ttf)format("truetype")}@font-face{font-family:"Montserrat";font-weight:500;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Medium.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Medium.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Medium.ttf)format("truetype")}@font-face{font-family:"Montserrat";font-weight:600;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-SemiBold.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-SemiBold.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-SemiBold.ttf)format("truetype")}@font-face{font-family:"Montserrat";font-weight:700;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Bold.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Bold.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FMontserrat-Bold.ttf)format("truetype")}@font-face{font-family:"Outfit";font-weight:300;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Light.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Light.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Light.ttf)format("truetype")}@font-face{font-family:"Outfit";font-weight:400;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Regular.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Regular.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Regular.ttf)format("truetype")}@font-face{font-family:"Outfit";font-weight:600;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-SemiBold.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-SemiBold.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-SemiBold.ttf)format("truetype")}@font-face{font-family:"Outfit";font-weight:700;font-display:swap;src:url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Bold.woff2)format("woff2"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Bold.woff)format("woff"),url(https://cdn.fastpixel.io/fp/ret_auto+v_b608/www.businesstravelexecutive.com%2Fwp-content%2Fuploads%2FOutfit-Bold.ttf)format("truetype")}.fr-header-foxtrot__top{padding-top:var(--space-m);padding-right:var(--section-padding-x);padding-bottom:var(--space-m);padding-left:var(--section-padding-x);background-color:var(--primary)}.fr-header-foxtrot__top-inner{flex-direction:row;column-gap:var(--container-gap);row-gap:var(--fr-content-gap);align-items:center}.header{flex-direction:row;align-self:center!important;justify-content:center;align-items:center;background-color:var(--neutral)}.header__container{align-self:center!important;align-items:center;justify-content:center;flex-direction:row}.tz-header-search button.x-header-search_toggle-open{color:var(--white)}.tz-header-search .x-search-form button.x-header-search_toggle-close{color:var(--black)}.tz-header-search .x-search-form{padding-top:var(--space-m);padding-right:var(--space-m);padding-bottom:var(--space-m);padding-left:var(--space-m);background-color:var(--white);border-bottom:2px solid var(--base)}.tz-header-search .x-search-form input[type=search]{color:var(--black)}.tz-header-search .x-search-form .brxe-filter-search{color:var(--black)}.tz-header-search .x-search-form .x-header-search_toggle-close{color:var(--black)}.tz-header-search .x-search-form input[type=search]::placeholder{color:var(--primary-semi-dark)}.tz-header-search .x-search-form input[type=search]::-webkit-placeholder{color:var(--primary-semi-dark)}.tz-header-search button.x-header-search_toggle-open>*:not(.x-header-search_toggle-open-text){font-size:2rem}.tz-header-search__wrapper{padding-right:var(--gutter);padding-left:var(--gutter)}.tz-header-search__inner{background-color:var(--white);padding-top:var(--space-xs);padding-right:var(--space-m);padding-bottom:var(--space-m);padding-left:var(--space-m);border-radius:var(--radius-m);row-gap:var(--space-s)}.tz-header-search__inner{box-shadow:var(--box-shadow-l);list-style:none}.tz-header-search__result{row-gap:.5rem;max-width:var(--width-l);position:relative}.tz-header-search__result:hover h3{text-decoration:underline;text-decoration-thickness:.2rem}.tz-header-search__result-heading{color:var(--base);font-size:2rem}.tz-header-search__result-date{font-size:1.5rem;color:var(--primary-dark);order:-1}.tz-header-search__result-excerpt{font-size:1.5rem;color:var(--primary-dark)}.tz-header-search__pagination{max-width:var(--width-l);width:100%;margin-top:var(--space-m)}.tz-header-search__pagination .bricks-pagination ul .page-numbers.current{color:var(--black)}.tz-header-search__pagination .bricks-pagination ul .page-numbers{color:var(--base)}.offcanvas-4__divider.horizontal .line{border-top-color:var(--secondary-dark)}.offcanvas-4__divider.vertical .line{border-right-color:var(--secondary-dark)}.offcanvas-4__divider .icon{color:var(--secondary-dark)}.offcanvas-4__heading{font-weight:600;text-transform:capitalize;color:var(--white)}.fr-header-foxtrot__phone{color:var(--white);font-size:1.4rem}.fr-header-foxtrot__phone:hover{color:var(--base)}.menu-popout__container{row-gap:var(--space-xs)}@media (max-width:991px){.menu-popout__container{row-gap:var(--space-s)}}.bte-news__outer{padding-top:var(--space-s);padding-right:var(--space-s);padding-bottom:var(--space-s);padding-left:var(--space-s);background-color:var(--white);border:1px solid var(--bricks-border-color);border-radius:var(--radius-m);row-gap:var(--space-s);position:relative;justify-content:space-between}.bte-news__img:not(.tag),.bte-news__img img{object-fit:cover}.bte-news__img{height:18rem;width:100%;position:relative}.bte-news__content-block{position:relative;min-height:10rem}.bte-news__content-heading{font-size:var(--h4);margin-bottom:var(--space-xs)}.bte-news__content-excerpt{font-size:1.5rem;width:100%}.bte-news__content-excerpt a{font-size:1.5rem;font-size:inherit}.bte-news__content-date{font-size:1.4rem}.bte-news__content-date a{font-size:1.4rem;font-size:inherit}.fr-footer-hotel__logo{width:30rem;max-width:30rem}@media (max-width:478px){.fr-footer-hotel__logo{width:26rem}}.fr-footer-hotel__cta-wrapper{display:flex;flex-direction:column;row-gap:var(--fr-card-gap);grid-column:4/end;width:100%;align-items:flex-start}@media (max-width:991px){.fr-footer-hotel__cta-wrapper{align-items:center}}@media (max-width:767px){.fr-footer-hotel__cta-wrapper{align-items:center;align-self:center!important;justify-content:center}}@media (max-width:478px){.fr-footer-hotel__cta-wrapper{align-items:flex-start}}.fr-footer-hotel__contact-details{display:flex;align-items:stretch;font-size:var(--text-s);column-gap:var(--content-gap);row-gap:calc(var(--content-gap)/2);flex-wrap:wrap}@media (max-width:478px){.fr-footer-hotel__contact-details{grid-template-columns:var(--grid-1)}}.fr-footer-hotel__meta-wrapper{display:flex;flex-direction:column;row-gap:.5em}.fr-footer-hotel__meta-link .icon{color:var(--fr-text-light);fill:var(--fr-text-light)}.fr-footer-hotel__meta-link .icon>i{font-size:1.5em}.fr-footer-hotel__meta-link .icon>svg{width:1.5em;height:1.5em}.fr-footer-hotel__meta-link{color:var(--white);text-decoration:none}.fr-footer-hotel__meta-link:hover{color:var(--fr-text-light)}.fr-footer-hotel__meta-link:hover{color:var(--action-ultra-light)}.fr-social-charlie{display:flex;flex-wrap:wrap;column-gap:1em;row-gap:1em}.fr-social-charlie{--icon-size: 2em;--icon-color: var(--fr-bg-dark);--icon-color-hover: var(--neutral-trans-80)}.fr-social-charlie a svg{height:var(--icon-size);width:var(--icon-size);fill:var(--icon-color)}.fr-social-charlie a:hover svg{fill:var(--icon-color-hover)}.fr-social-charlie__icon-group{display:flex;align-items:center;text-decoration:none;transition:all .3s ease-in-out}.fr-social-charlie__icon-group:hover{transform:translateY(-.15em)}.fr-social-charlie__icon{width:2em;height:2em;display:flex;align-self:center;justify-content:center;align-items:center;flex-direction:column;padding-top:.25em;padding-right:.25em;padding-bottom:.25em;padding-left:.25em;background-color:var(--bricks-color-acss_import_transparent);border:1px solid var(--white);border-radius:var(--radius-xs);color:var(--white);fill:var(--white)}.fr-footer-hotel__nav-column{display:flex;row-gap:var(--content-gap);flex-direction:column;align-items:flex-start}.fr-footer-hotel__list{display:flex;row-gap:var(--fr-card-gap);flex-direction:column}.fr-footer-hotel__link{color:var(--white);text-decoration:none;font-size:1.6rem}.fr-footer-hotel__link:hover{color:var(--action-ultra-light)}.fr-subfooter-bravo__legal-list{align-items:center;display:flex;flex-wrap:wrap;column-gap:var(--content-gap);row-gap:var(--space-xs);align-self:flex-end!important}.fr-subfooter-bravo__link{text-decoration:none;color:var(--white);font-size:1.5rem}.fr-subfooter-bravo__link:hover{color:var(--white)}.footer-advert__container{align-items:center;justify-content:center;align-self:center!important}.footer-advert__img{width:12rem}@media (max-width:991px){.footer-advert__img{width:10rem}}@media (max-width:767px){.footer-advert__img{width:8rem}}@media (max-width:478px){.footer-advert__img{width:100%}}section.header{padding:var(--space-s) var(--section-padding-x)}section.header .header__container{display:flex;flex-direction:row;justify-content:space-between;align-items:center}section.header .header__logo{width:30rem}.mm .mm__dropdown--mega .mm__dropdown-content{padding:var(--space-m);gap:var(--space-m);box-shadow:119px 360px 152px rgba(0,0,0,0.01),67px 203px 128px rgba(0,0,0,0.05),30px 90px 95px rgba(0,0,0,0.09),7px 23px 52px rgba(0,0,0,0.1),0px 0px 0px rgba(0,0,0,0.1);flex-direction:row}.mm .mm__dropdown--menu .mm__dropdown-content{min-width:fit-content;box-shadow:119px 360px 152px rgba(0,0,0,0.01),67px 203px 128px rgba(0,0,0,0.05),30px 90px 95px rgba(0,0,0,0.09),7px 23px 52px rgba(0,0,0,0.1),0px 0px 0px rgba(0,0,0,0.1)}.mm .mm__dropdown--menu .mm__dropdown-content>li a,.mm .mm__dropdown--menu .mm__dropdown-content>li .brx-submenu-toggle{white-space:nowrap}.mm .mm__nav-items{gap:var(--space-m)}.mm .mm__mobile-logo{display:none}.mm:not(.brx-open) .mm__dropdown--menu .mm__dropdown-content .menu-item a,.mm:not(.brx-open) .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu .brx-submenu-toggle{color:black;padding:var(--space-s)}.mm:not(.brx-open) .mm__dropdown--menu .mm__dropdown-content .menu-item a:hover,.mm:not(.brx-open) .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu .brx-submenu-toggle:hover{color:white;background-color:black}.mm:not(.brx-open) .mm__dropdown--menu .mm__dropdown-content .brx-submenu-toggle>a{color:inherit;font-weight:inherit;text-transform:inherit}.mm:not(.brx-open) .mm__dropdown--menu .mm__dropdown--menu .brx-submenu-toggle{justify-content:space-between}.mm:not(.brx-open) .mm__dropdown--menu .mm__dropdown--menu .brx-submenu-toggle svg{transform:rotate(-90deg)}.mm:not(.brx-open) [class*="mm__dropdown"] .mm__dropdown-content{background-color:white}.mm:not(.brx-open) .mm__nav-items>[class*="mm__dropdown"]>.brx-submenu-toggle button svg{transform:rotate(0);transition:transform 0.2s ease-in-out}.mm:not(.brx-open) .mm__nav-items>[class*="mm__dropdown"]>.mm__dropdown-content{transform:translateY(40px)}.mm:not(.brx-open) .mm__nav-items>[class*="mm__dropdown"].open>.mm__dropdown-content{transform:translateY(20px)}.mm:not(.brx-open) .mm__nav-items>[class*="mm__dropdown"].open>.brx-submenu-toggle button svg{transform:rotatex(180deg)}.mm:not(.brx-open) .mm__nav-items>li>a{color:var(--white)}.mm:not(.brx-open) .mm__nav-items>li>a:hover{color:var(--base)}.mm:not(.brx-open) .mm__nav-items>li .brx-submenu-toggle{color:var(--white)}.mm:not(.brx-open) .mm__nav-items>li .brx-submenu-toggle:hover{color:var(--base)}.mm:not(.brx-open) .mm__nav-items>li .brx-submenu-toggle>a{color:var(--white)}.mm:not(.brx-open) .mm__nav-items>li .brx-submenu-toggle>a:hover{color:var(--base)}.mm:not(.brx-open) .mm__nav-items>li .brx-submenu-toggle a,.mm:not(.brx-open) .mm__nav-items>li .brx-submenu-toggle span,.mm:not(.brx-open) .mm__nav-items>li .brx-submenu-toggle svg{color:inherit}@media (max-width:1100px){.mm .mm__nav-items-wrapper{visibility:hidden;transform:translateX(100%)}.mm .mm__nav-items-wrapper .mm__nav-items{display:none}.mm .mm__toggle-open{display:flex!important;--brxe-toggle-scale: 1;color:var(--base);font-size:4.6rem}.mm .mm__toggle-open svg{width:4.6rem;height:auto;fill:var(--base)}}.mm.brx-open.brx-closing .mm__nav-items-wrapper{transform:translateX(100%)}.mm.brx-open .mm__mobile-nav{padding:var(--space-m) var(--section-padding-x);border-bottom:1px solid var(--primary-dark);align-items:flex-end}.mm.brx-open .mm__dropdown--menu .mm__dropdown-content li>a{color:var(--white)}.mm.brx-open .mm__dropdown--menu .mm__dropdown-content li>a:hover{background-color:var(--primary-hover);color:white}.mm.brx-open .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu .brx-submenu-toggle{color:var(--white)}.mm.brx-open .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu .brx-submenu-toggle:hover{background-color:var(--primary-hover);color:white}.mm.brx-open .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu .brx-submenu-toggle svg{color:inherit;font-weight:inherit}.mm.brx-open .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu .brx-submenu-toggle>a{color:inherit;font-weight:inherit;text-decoration:inherit}.mm.brx-open [class*="mm__dropdown"]{position:static}.mm.brx-open [class*="mm__dropdown"] .mm__dropdown-content{position:absolute!important;inset:0;transition-property:transform,opacity,visibility;transition-duration:0.2s;transition-timing-function:cubic-bezier(0.79,0.14,0.15,0.86);display:flex;padding:var(--space-m) var(--section-padding-x);left:0!important;min-width:100%!important;overflow-x:hidden;flex-direction:column;background-color:var(--neutral);border-radius:0;box-shadow:none;opacity:0;transform:translateX(100%)}.mm.brx-open [class*="mm__dropdown"] .mm__dropdown-content>*{max-width:100%}.mm.brx-open [class*="mm__dropdown"]>.brx-submenu-toggle button svg{transition:none;transform:rotate(-90deg)}.mm.brx-open [class*="mm__dropdown"].open .mm__dropdown-content{opacity:1;transform:translateX(0)}.mm.brx-open [class*="mm__dropdown"].open>.brx-submenu-toggle button{position:fixed;top:var(--space-m);left:var(--section-padding-x);gap:0.4em;align-items:center;min-height:3.6rem;font-size:calc(3.6rem/1.6);color:var(--white)}.mm.brx-open [class*="mm__dropdown"].open>.brx-submenu-toggle button svg{transform:rotate(90deg)}.mm.brx-open [class*="mm__dropdown"].open>.brx-submenu-toggle button::after{content:"Back"}.mm.brx-open [class*="mm__dropdown"] .mm__dropdown-content{-ms-overflow-style:none;scrollbar-width:none}.mm.brx-open [class*="mm__dropdown"] .mm__dropdown-content::-webkit-scrollbar{display:none}.mm.brx-open .mm__nav-items-wrapper{visibility:visible;position:fixed;inset:0;background-color:var(--neutral);z-index:1001;transform:translateX(0);display:flex;transition:transform 0.2s cubic-bezier(0.79,0.14,0.15,0.86)}.mm.brx-open .mm__nav-items-wrapper .mm__toggle-close{display:flex;font-size:3.6rem;color:var(--white)}.mm.brx-open .mm__nav-items-wrapper .mm__toggle-close svg{width:3.6rem;height:auto;fill:var(--white)}.mm.brx-open ul.mm__nav-items{position:relative;display:flex;overflow-x:hidden;overflow-y:auto;flex:1;justify-content:flex-start;background-color:var(--neutral);-ms-overflow-style:none;scrollbar-width:none}.mm.brx-open ul.mm__nav-items::-webkit-scrollbar{display:none}.mm.brx-open ul.mm__nav-items>li{border-bottom:1px solid var(--primary-dark)}.mm.brx-open ul.mm__nav-items>li .mm__nav-link,.mm.brx-open ul.mm__nav-items>li>.brx-submenu-toggle{padding:calc(var(--space-m)/1.6) var(--section-padding-x)}.mm.brx-open ul.mm__nav-items>li>.mm__nav-link{color:var(--white)}.mm.brx-open ul.mm__nav-items>li>.mm__nav-link:hover{background-color:var(--primary-hover);color:white}.mm.brx-open ul.mm__nav-items>li>.brx-submenu-toggle{color:var(--white)}.mm.brx-open ul.mm__nav-items>li>.brx-submenu-toggle:hover{background-color:var(--primary-hover);color:white}.mm.brx-open ul.mm__nav-items>li>.brx-submenu-toggle svg{color:inherit;font-weight:inherit}.mm.brx-open ul.mm__nav-items>li>.brx-submenu-toggle>a{color:inherit;font-weight:inherit;text-decoration:inherit}.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown-content,.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown--menu .mm__dropdown-content{padding:0;gap:0}.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown-content .menu-item,.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu,.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown--menu .mm__dropdown-content .menu-item,.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu{border-bottom:1px solid var(--primary-dark)}.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown-content .menu-item a,.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu>.brx-submenu-toggle,.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown--menu .mm__dropdown-content .menu-item a,.mm.brx-open .mm__nav-items li.mm__dropdown--menu .mm__dropdown--menu .mm__dropdown-content .mm__dropdown--menu>.brx-submenu-toggle{padding:calc(var(--space-m)/1.6) var(--section-padding-x)}body.bricks-is-frontend.admin-bar .mm.brx-open .mm__nav-items-wrapper{top:var(--wp-admin--admin-bar--height)!important}.mepr-submit{padding:1em 1.75em!important;background-color:var(--action)!important;color:var(--white)!important;font-size:1.4rem!important;text-transform:uppercase!important;border-radius:var(--radius-s)!important;font-weight:600!important;border:0px!important}.mepr-share-button{padding:1em 1.75em!important;background-color:var(--action)!important;color:var(--white)!important;font-size:1.4rem!important;text-transform:uppercase!important;border-radius:var(--radius-s)!important;font-weight:600!important;border:0px!important}.tz-sidebar{display:flex;flex-direction:column;row-gap:calc(var(--space-xl) + 2rem);align-items:center}.sidebar-advert__container{display:flex;flex-direction:column;width:100%;background-color:var(--white)}@media (max-width:767px){.sidebar-advert__container{width:100%;align-self:center!important}}.sidebar-advert__img{width:100%}.tz-sidebar-advert__mpu{display:flex;flex-direction:column;background-color:var(--white);width:100%}@media (max-width:767px){.tz-sidebar-advert__mpu{width:100%}}@media (max-width:478px){.tz-sidebar-advert__mpu{margin-top:4px;margin-right:4px;margin-bottom:4px;margin-left:4px}}.tz-search-box form label{margin-bottom:0}.tz-search-box form{display:flex;flex-direction:column;gap:var(--space-s)}.tz-search-box input.search-field{border:.1rem solid var(--primary);line-height:1;padding:calc(var(--btn-pad-y)*.8) var(--btn-pad-y);border-radius:var(--btn-radius);color:var(--primary);transition:all 0.3s ease-in-out}.tz-search-box input.search-field::placeholder{color:var(--primary-trans-60)}.tz-search-box{--btn-color: var(--primary);--btn-color-hover: var(--action)}.tz-search-box input.search-submit{background:var(--btn-color);color:var(--white);text-transform:uppercase;line-height:1;font-weight:600;border:var(--btn-border-width) solid var(--btn-color);border-radius:var(--btn-radius);padding:var(--btn-pad-y) var(--btn-pad-x);transition:all 0.3s ease-in-out;text-align:center}.tz-search-box input.search-submit:hover{background:var(--btn-color-hover);border-color:var(--btn-color-hover)}

Publishing Office

Editorial Office

Stories By: Hydrogen-Electric Engines

American Enters Into Conditional Agreement to Buy Hydrogen-Electric Engines