New rules on replenishment of diesel exhaust fluid will allow vehicle manufacturers more leeway in equipping cars and trucks with DEF tanks without certifying them individually, according to the ...

Thunder Creek's Diesel DEF Combination Fuel Tank features two tanks to hold 100 gal. of diesel fuel and 18 gal. of DEF to get both fluids out to off-road equipment Thunder Creek's Diesel DEF ...

Diesel engines can be more efficient than gasoline engines, but that's largely due to DEF. Here's what it does, how it helps, and what happens if you run out.

This story appears in the April 30 print edition of Transport Topics. Executives at three major truck stop chains said that they are installing diesel exhaust fluid pumps on fuel islands at all or ...

Refuelling and tending to a diesel engine can cause confusion among uninformed or inexperienced users. In addition to accidentally refilling the fuel tank with gasoline instead of diesel, some ...

This is the kind of question where we'd better talk about terms before answering it. That's because AdBlue is a brand name for what folks in the United States usually call diesel exhaust fluid — aka ...

This story appears in the Jan. 31 print edition of Transport Topics. Businesses involved in supplying diesel exhaust fluid needed for about 75% of the nation’s newest heavy-duty trucks say they easily ...

FuelPro Trailers has introduced the FuelPro 750 DEF, a DOT-compliant fuel and service trailer designed for refueling equipment in remote or high-production environments. The model includes a ...

The Fumoto DEF Valve is a drain valve designed to improve the ease of draining diesel exhaust fluid from a diesel-powered vehicle. The drain valve is constructed of stainless steel, allowing it to ...

The U.S. could soon experience a severe shortage of diesel exhaust fluid (DEF), impacting U.S. drivers already hit with soaring fuel prices. DEF is a solution made up of urea and de-ionized water that ...

But none of that matters if the engine won't turn over. Winter can be an especially challenging time. When the temperature plummets, problems that were minor in the fall can snowball. "The best way to ...