Transportation is responsible for one-quarter of the world's greenhouse gas emissions. While companies have touted electric vehicles and sustainable aviation fuel as ways to cut emissions from air and ...

Although vehicles powered by batteries have amazing energy efficiency, they are no match for those that run on hydrogen when it comes to carrying heavy loads or passengers. The latest example of that ...

Locomotives remain a fast and efficient way to move cargo overland. The low rolling resistance of steel-on-steel will always beat rubber on road, the ability to pull long chains of freight cars, ...

Ferrovia Circumetnea signed a contract with Swiss manufacturer Stadler this October to order the pollution-free trains, which ...

This story is part of The Salt Lake Tribune’s ongoing commitment to identify solutions to Utah’s biggest challenges through the work of the Innovation Lab. [Subscribe to our newsletter here.] If ...