The natural gas engine will have 1,850 pound-feet of torque available by 1,100 rpms and 1,800 pound-feet at the X15 diesel’s torque peak of 1,000 rpms.

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 French-German inventor of the diesel engine, a revolutionarily efficient improvement over earlier internal combustion engines, Diesel mysteriously disappeared on Sept. 29, 1913, during an ...

In a typical gasoline engine, a mixture of air and fuel is compressed, then ignited by a spark plug, causing combustion. Diesel engines handle the combustion process a little differently.

The diesel engine — invented by German engineer Rudolf Diesel in the 1890s — takes a different approach. A diesel compresses air and then injects fuel into the compressed air.