Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...

The rotary engine, previously a staple in Mazda's lineup, is an engine design that foregoes the round piston and singular chamber of a regular reciprocal internal combustion engine. Instead, the ...

There are many different forms of internal combustion engines, but most use the same basic principle. Explosions in the combustion chamber move pistons up and down to spin a crankshaft. That ...

The Astron Aerospace H2 Starfire is a clean burning hydrogen and water powered internal combustion engine alternative to battery cell technology. There is very little parasitic power loss with the H2 ...

Internal-combustion engines are making impressive strides in rotational speed. The Lamborghini Temerario has a 4.0-liter twin ...

Toyota, Mazda and Subaru are not giving up on internal combustion yet. The Japanese auto giants are forging ahead with the development of new internal combustion engines, which the automakers say are ...

According to the official sales specifications of the Mazda MX-30 for the U.S., the small electric SUV will continue to be offered only with an all-electric powertrain. This means that the North ...

The rotary internal combustion engine made most famous by Japanese car maker Mazda is set to be reborn... in China.

When I wrote about Mazda’s attempt to create the perfect range extender, I mentioned I wanted to examine the ideas that seem to be closer to that goal. Unfortunately, the Japanese company’s attempt ...

With all the recent emphasis on electric vehicles, we often overlook the technology that still powers most cars on the road today. The internal combustion engine (ICE) has been at the heart of the ...

The short answer is yes: innovative internal combustion engines, especially in combination with batteries, can and will play a crucial role in decarbonizing aviation for small aircraft, urban air ...