You know about inline engines like I-4s and even I-6s. Then there are V6 and V8 engines. And, if you're familiar with exotic sports cars, you know about V12s and V16s. What you don't hear about very ...

The new Horse B20 is a 2.0-liter gas-powered turbo—one of the most common types of car engines these days—with a twist: It’s waterproof. The engine can run fully submerged in almost four feet of water ...