There are numerous differences between diesel and gas engines, including the number of fuel filters each uses. Here's why ...

One of the most ignored areas of building and maintaining a race car is the fuel system. The fuel tank, filters, vent system, and fuel line size all must be designed to work together to supply the ...

Many new cars come with automatic engine start-stop. These systems are designed to save the fuel wasted at idle by turning ...

Westport is debuting its high-pressure CNG fuel system with Cespira HPDI technology on a Volvo VNL 300 at ACT Expo. Another high-horsepower natural-gas engine system may soon be available from ...

Port fuel injection (PFI) was a major milestone in the early '80s. The integration of PFI rapidly changed the way fuel was delivered by increasing fuel economy and improving engine performance. Even ...

Westport's HPDI system uses a small diesel pilot injection to run primarily on natural gas while keeping familiar diesel ...

Aircraft engines utilize either carburetors, which are simpler, less expensive, and prone to internal icing, or more complex fuel injection systems. Fuel injection systems offer greater power output ...

Diesel engines are torquey and efficient powerhouses capable of outlasting a comparable gas engine. But despite their robust build quality and beefier internals, there are things to avoid if you have ...

The 6.7-liter Cummins diesel is among the top powertrain picks for the Ram 2500 HD, earning it a considerable following. But ...