The new S-Class features many changes, one of which, taking place under the hood, brings better performance with it.

When it comes to high-output engines, cars with lots of cylinders -- like ones sporting a V10, V12, or even W16 engine -- are probably the first thing to come to mind. These powerful engines include ...

Horse Powertrain popped up on my radar this month as it trotted out its new C15 engine at the IAA Mobility show in Germany. The C15 is a 1.5-liter four-cylinder the size of carry-on luggage that makes ...

For more than a decade, automatic engine start/stop systems were sold as painless climate tech, a clever way to trim fuel use by cutting the engine at every red light. Now the feature is rapidly ...

V-4 engines remain uncommon in cars despite their potential advantages. While automotive enthusiasts regularly discuss V-6, V-8, and larger configurations, V-4 engines are typically found in ...

A massive V8 is a trademark of almost every true muscle car. However, the modern automotive era has shifted away from large-displacement, gas-guzzling, naturally ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...