A GMC Sierra owner accidentally filled his diesel tank with diesel exhaust fluid (DEF). DEF in a diesel tank can damage the fuel system, leading to hugely expensive repairs. An independent shop ...

However, if you leave the diesel tank exposed to moisture, the contaminated fuel will result in clogged injectors and poor engine performance, thus affecting the entire supply chain.

Some 2,000 gallons of diesel meant for backup generators spilled into the Patapsco River in Baltimore, Maryland, on Wednesday, upon overfilling the tanks.

About 2,000 gallons of oil spilled into Baltimore's historic Inner Harbor from overfilled diesel fuel tanks on Wednesday.

By Hanna Park, CNN (CNN) — Emergency crews from a host of government agencies were working through the night to clean up a 2,000-gallon diesel spill along part of Baltimore’s waterfront that ...