Here’s a hack that’s been around since the very start of the hot rod movement. Car exhaust flame throwers work by interrupting the spark to the engine. This dumps raw fuel into the exhaust system.

Black smoke from a car's exhaust typically indicates an overly ... The ideal air-fuel mixture ratio is 14.7 parts air to 1.0 parts fuel (14.7:1). The computer and the valves and components it ...

Wrapped around a car's tailpipe, the device could harness waste heat to produce enough electricity to at least charge a phone ...