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

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 ...

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 ...

E15 is aimed at reducing gasoline consumption as military conflicts around the world lead to a rise in fuel prices. In ...

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, ...

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

With gas prices squeezing household budgets across the country, the EPA has stepped in with what it's pitching as a quick fix ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...