Clean and lubricate your vehicle's fuel system with our top picks for the best diesel injector cleaners. Like any fuel-injected engine, diesel engines rely on fuel injectors to, well, inject fuel into ...

I’m at the FMCSA Motor Carrier Safety Advisory Committee’s joint meeting with the Medical Review Board today — watch my Twitter feed for updates from the meeting, where committee members are slated to ...

Sandia National Laboratories researchers (left to right: Nathan Harry, Christopher Nilsen, Drummond Biles, and Charles Mueller) show off their prototype of ducted fuel injection module for diesel ...

There are many things that can degrade your vehicle's performance over time, from a dirty air filter and low tire pressure, to fouled spark plugs and worn out plug wires. However, nothing will rob ...

The presence of water or other fluid mixed with diesel fuel is clearly apparent from the stratification shown here. Diesel fuel is generally very clean when it leaves the refinery. But it can pick up ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

Of course, we’re not wishing this type of project on you or your rig. However, when a failure or problem does warrant injector replacement, is “pull one, install another” your basic procedure for ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

Dark clouds of soot and gases spewed by tractors, bulldozers and backhoes are becoming a thing of the past under new federal standards that have forced cleaner diesel engines this year Dark clouds of ...