Dyson electric car track, Byton electric SUV testing, and Labor Day gas saving tips: Today’s Car News

Byton M-Byte electric SUV prototypeDyson plans to invest in a new test track for its electric-car program. Chinese startup Byton begins testing its electric crossover SUV in the real world. We provide tips on how to save fuel on a Labor Day road trip. And did you know internal-combustion engines still waste up to 88 percent of the energy they produce? All of this and more on Green...