If you're not familiar with engine strokes, understanding the basic concepts is simple. A four-stroke internal combustion ...

Mazda says the Skyactiv-Z will use the Lambda 1 air-fuel ratio to improve emissions; that will eventually apply to the brand's six-cylinder engines too. Mazda continues to invest in internal ...

Most vehicles need catalytic converters not only so they perform at their best, but also because it's the law. Here's how they work and why they are required.

Today's hybrid cars fall under three main categories – mild-hybrid, 'self-charging' and plug-in hybrid. We explain the ...

According to new reports, Dodge is accelerating its timeline for the launch of the new Charger SIXPACK equipped with the ...