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. Horse Powertrain supplies various types of engines to OEMs and is mainly known for making motors that support hybrid powertrains (the gas part of the equation in PHEVs and EREVs). That’s what the B20 is—a direct-injection turbo four-cylinder designed to support hybrid trucks and SUVs that can go off-road. It makes sense in 2026. Land Rover, Jeep, and Toyota have been marketing off-roaders with hybrid power for years; they all brag about water-fording capabilities on…
No Bridge, No Problem: New Turbo-Four Gas Engine Can Actually Run Underwater

