At TopSpeed, William Clavey is Editor-at-Large, where he focuses on authority and exclusive content, reviews, news articles, features, and opinion pieces all while sharing his passion for everything ...

Discover the advantages of Thomas Built Buses’ new gasoline engine option for the Saf-T-Liner C2 school bus in your fleet operations.

It's illegal to use E15 in lawnmowers, motorcycles, boats, and heavy-duty vehicles. And you may want to think twice before ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

We may receive a commission on purchases made from links. When winter hits, it brings more than just chilly temperatures — it also brings a bunch of new challenges. Icy roads can decrease your grip ...

Named after Rudolf Diesel, who invented it in 1893, the diesel engine is often associated with a dirty, smoky exhaust — an admittedly nebulous impression in no small part fueled by the black clouds of ...

If you've even casually contemplated purchasing a Ram truck powered by a diesel engine in the last couple of decades, the name Cummins is undoubtedly familiar to you. The Indiana-based company has, ...

As two of America's traditional 'big three' automakers, Ford and GM have a rivalry steeped in history. They've each offered similar types of products that fulfill the same purpose for buyers, be they ...

Gas versus diesel is a debate over which billions have been spent to see which is better. Famously, Soviet tanks in World War II were powered by diesel, while the Germans used gas engines. Closer to ...

The Environmental Protection Agency is temporarily switching to gasoline with more ethanol, increasing the amount from 10 ...