Go Green with Envy. Australians are slowly realising that the best way to avoid queuing up at a petrol station is to go green. It wasn't that long ago that the fuel efficient cars were seen as the bastion of inner city hippies. However, in recent times, public sentiment has changed and with that comes a greater awareness of the availability of environmentally friendly, fuel efficient or low emission vehicles. Here's some of what is on offer in 2018.