The UK tested marine engines that run on hydrogen made from seawater. Discover how this clean-shipping technology works.

Gas and diesel combustion engines have been the standard for decades, but engines running on alternative fuels have existed for just as long, if not longer. For instance, hydrogen engines date back to ...

Mazda has filed a patent for a six-stroke engine that generates hydrogen from gasoline, potentially enabling near-zero carbon emissions without external hydrogen supply. The design removes the need ...

All photos provided by JCB. A few years ago, I stood in a snowy quarry in Staffordshire, England, watching steam drift from the exhaust stacks of prototype JCB construction machines. I watched a ...