A tweaked piston crown is all it would take for Mitsubishi to reduce emissions and improve power in direct-injected cars.

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

What is gasoline direct injection and how is it different from traditional methods of getting fuel into your car's engine? You may have read or heard one of your favorite Car Tech editors talking ...