Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner emissions, all from a more precise way of delivering fuel. On paper, the ...

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 ...

Most people picture something low, loud, and expensive when they hear the phrase “first production car with fuel injection.” A silver Mercedes with doors that flap toward the sky usually rolls into ...