Yes, diesel.
http://www.digitaltrends.com/computing/hackers-find-ways-to-remotely-control-cars-terror-to-ensue/
Hackers Find Ways to Remotely Control Cars, Terror to Ensue
Engadget is reporting that a team of researchers have discovered a way to hack the onboard computer of certain cars. Once the hackers are in, they can access the car’s computer wirelessly, even while driving in another car next to the hacked vehicle. They can then affect the car by turning on hazard lights, flashing the brights, and even rolling down the windows. Or they could disable the brakes and lock the engine while you are driving at speed, sending you to a horrible death.
More at link.