Bore and stroke are important measurements when it comes to calculating an engines displacement, and the kind of performance an engine offers.

In 1673, Christian Huygens invented the first engine. It was designed to pump water from the Seine River to King Louis XIV's Palace of Versailles. Built with an open combustion chamber, it consumed ...

Hydrogen combustion engines are inefficient, costly to maintain and worse for the environment than fuel cell or battery powertrains. But they're also noisy and fun, so automakers are starting to pitch ...

Hydrogen power for vehicles sounds tempting: water is the only emission, and hydrogen is seemingly available everywhere, right? Wrong. Hydrogen can power vehicles, but how it powers them makes all the ...

Diesel and gasoline engines might look alike under the hood, but they use oil in very different ways. Gas engines run cleaner, but diesels create much more soot, crank out higher compression forces, ...

Some agree that batteries are the clear winner in the race against hydrogen technologies, while others think the opposite. There's no such debate among internal combustion engine proponents. Almost ...

We are at a critical time and supporting science journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen scientific ...

Sandia National Laboratory led by Sandia researcher Peter Van Blarigan that has been testing physical components of free-piston engines which could be 50% efficient. This is about twice as good as ...

As 2024 sees the automotive industry race to maximize the efficiency - and profitability - of hydrogen fuel cell technology, manufacturers like Toyota and Volvo are investing in a different kind of ...

From intern to editor, Damian Adams' story reads like a well-written novel where he steadily worked to become the youngest-ever editor of South Africa's leading motoring publication, CAR Magazine. He ...