In the race to adopt electric cars, one Australian state or territory is several laps in front of the rest. Canberra has become the nation's clear frontrunner, consistently recording electric vehicle sales more than twice as high as any other part of the country. And while NSW is in second place, it is Queensland that is now looking to challenge the lead with the nation's richest electric car incentive scheme. Industry experts say the growing competition will be vital to Australians adopting zero-emission transport technology and seeing the country catch up to progress in other countries. But some argue the…