Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...

Mazda’s implementation of the Miller-cycle engine in their production vehicles, starting with the 1995 Xedos 9, marked a significant shift in automotive powertrain design. The unique 2.25-litre V6 ...

The Mazda CX-90 feels like a bona fide luxury SUV, but the company's current upmarket push isn't its first. At one time, Mazda was actually going to launch its own luxury sub-brand, and it would bring ...

Revolutionary, they said. A world first, they said. Utilizing compression ignition, a method of gasoline combustion that the automotive world has been trying to perfect for over two decades, commanded ...

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...

The world is changing, and drivers have found their attitudes changing somewhat, too. Perhaps you weren't very conscious of how much gas you were using but are leaning towards more environmentally ...