Forget hybrid cars and electric vehicles; two of Australia's fastest, thirstiest cars are on target to win a controversial 3000km economy run from Darwin to Adelaide. The two thirstiest, most powerful cars in the field are on track to win the Global Green Challenge, an environmentally focussed fuel economy run from Darwin to Adelaide. Two of the fastest cars ever produced in Australia - the HSV Maloo R8 and Ford Falcon XR6 Turbo - are first and second in the 14-car "Eco Challenge" field. Source