Diesel engines can be more efficient than gasoline engines, but that's largely due to DEF. Here's what it does, how it helps, ...

Eberspaecher plans to introduce its new exhaust system for hydrogen internal combustion engines at the Hannover Messe trade show from May 30 to June 2. A press release from Purem by Eberspaecher, the ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

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 ...

The European Union is moving to dial back its total ban on cars with gas or diesel engines by 2035. Tuesday's proposal would ...

A recently filed patent (Publication Number: US20230313723A1) describes a mixing device designed to be integrated into the exhaust pipe of a combustion engine. The device is responsible for mixing the ...

If you’re at all interested in NASCAR folklore, you’ve no doubt heard of Smokey Yunick. He was a stock car racing crew chief, builder, owner, driver, engineer, engine builder, and car designer, but an ...

The European Union is abandoning its plan to require all new cars to be zero emission from 2035, replacing the hard ban on ...