Fuel injector problems can cause rough idling, misfires, and poor fuel economy, but not all issues require costly replacements. Understanding how injectors work, the right way to diagnose them, and ...

Westport’s next‑generation compressed natural gas fuel storage system, combined with Cespira's on-engine HPDI™ fuel system, ...

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...

Diesel engines offer tons of torque allied with impressive fuel economy, but they tend to be noisier and less refined than ...

Clean technology has genuine successes to its name. Between 1973 and 1980, the fuel economy of the road transport fleet ...

Today's diesel fuel lacks much of the natural lubricity that diesel fuels once offered, taking a potential toll on fuel ...

Toyota ensures this chilled-out powertrain is prepared for the long haul.

Can a 2022 Toyota RAV4 survive 120,000 miles of Arizona heat? Phoenix owner Joseph Jarlego proves it can. With zero ...

Modern fuel systems are far more reliable than the carbureted setups many drivers grew up with, yet a single everyday habit ...

Here we are in early May. Universities have wrapped up their winter semesters, grade schools can see the end of the school ...

The fuel loading process at the first unit of the Rooppur Nuclear Power Plant project is scheduled to commence today, April ...

Despite concerns over possible effects on engine performance, diesel vehicle owners are open to trying biodiesel if it offers ...