Here’s some fun on CNN about ‘Mileage Maniacs’. No, these aren’t road rage loonies or joy riders, but people who hack into the onboard computers of their own Toyota Prius to trick the engine, thus using even more battery and less fuel in the hybrid synergy drive system. As well as clever computer trickery, check out the ‘big toe’ driving technique (is it legal?!) which ensures that fuel consumption of the already efficient hybrid is cut still further. As a Prius driver myself, I don’t think I’ll take the green lifestyle quite this far (being a luddite, the car would probably only drive in reverse if I tampered with it). But a good plug for green (and cheap) driving nonetheless. And much better to hack into your own Prius than hacking everyone else off in your big gas guzzler.