The Diesel Freak founder and his brother were convicted of conspiracy to violate the Clean Air Act after reprogramming diesel ...

President Donald Trump cleared the records of nine aftermarket diesel tuners and mechanics convicted of federal Clean Air Act ...

As the Trump administration pulls back from enforcing diesel emissions laws, the president says the pardons are just common ...

Trump pardoned people convicted of Clean Air Act violations who he said were "persecuted by the Biden Administration" and ...

Sen. Dan Sullivan says President Donald Trump pardoned Wasilla diesel mechanic Mac Spurlock following his federal conviction ...

We all know why diesel engines are great for pickup trucks: They pull hard and use less fuel than a gasoline engine doing the same work. Greater fuel efficiency will often offset the greater cost of a ...

A German research team at the Otto von Guericke University Magdeburg has showcased a hydrogen engine that might soon replace traditional diesel power. The study is helmed by Hermann Rottengruber in ...

How engines work. What is an internal combustion engine? This video is the perfect introduction into learning about how cars work, starting with the most important part, the engine. Stark Social ...

A retired Canadian couple says Enterprise Rent-A-Car tried to stick them with a $7,000 bill after accusing the couple of putting diesel fuel in a rental SUV — a claim they deny and say was never ...

Today’s Internet is in many ways a disappointment, but at least it’s still great for shopping. Somewhere in the depths of Ali Express is a listing for a massive V-twin diesel engine, which the ...

Google CEO Sundar Pichai’s description of search as a future “agent manager” made headlines this week after an hour-long interview with Stripe CEO Patrick Collison. As SEJ’s Roger Montti reported, ...