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 ...

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

Normal-sized diesel-powered cars capture a significant foothold in a huge market outside the U.S., here’s why.

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 ...

The car world keeps talking about EVs and solid-state batteries, but the dealer lots tell a different story. The full switch to electric did not happen on schedule, so most brands had to rethink their ...

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 ...

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 ...

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 ...

From Hot Wheels toys to crazy SEMA creations and crowd-claiming dragsters, twin-engine cars are nothing new, but they certainly are a novel way to take your custom build to the next level. After all, ...