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NASCAR's first hydrogen-powered pace car hits the track
NASCAR may be dominated by gas-guzzling racers, but its pace car this weekend is decidedly kinder to the environment. The motorsport league's Sprint Cup race in Richmond on the 26th (delayed from the 25th due to rain) has Toyota's hydrogen-powered Mirai as its pace car -- the first time a fuel cell car has had that distinction at a NASCAR event. This is largely a publicity stunt to build up hype for the Mirai's Californian launch later this year, but it shows that hydrogen cars have the performance needed to keep up with stock cars during yellow flags. The real challenge will be getting the actual competitors to go green. While there have been hydrogen-fueled race cars before, the odds are that NASCAR and its fans aren't eager to abandon roaring V8s any time soon.
Formula 1 is testing a 'virtual safety car'
Safety vehicles are sometimes as dangerous to racing drivers as actual competition -- Formula 1 driver Jules Bianchi recently crashed into a recovery tractor sent out for an earlier accident, for instance. They may be less of an unintentional threat if a virtual safety car (VSC) trial at the US Grand Prix pans out. Instead of using a lead car to slow things down during yellow flags, the system relies on dashboard displays that tell racers to stay under a given speed limit; they face penalties if they go over. The technology is only being used in practice sessions this weekend, but the FIA is working with teams to determine just when VSC is viable for honest-to-goodness races.
