Did You Know?: Fuel Injection
![Did You Know?: Fuel Injection](http://picolio.auto123.com/art-images/152618/direct-injection-main.jpg?scaledown=450)
Fuel injection is what makes vehicles go. How? By spraying fuel and mixing it up with air, said mixture gets compressed and ignites (courtesy of the spark plugs), pushing the piston back down and engaging the crankshaft which, in turn, engages the drive shaft that connects the driving axles.