GM Holden’s release of the so-called ‘flex-fuel’ Commodore a couple of months back might be one of the crucial first steps in positive change for the future of automotive fuel in Australia. The flex-fuel Commodore can run on petrol – but it can also happily consume petrol-ethanol blends up to E85 (that’s 85 per cent ethanol in 15 per cent petrol). E85 is a big step up from E10, which is quickly becoming the default automotive fuel. And that means we’re looking down the barrel of becoming an increasingly ethanol-fuelled nation.

There’s been a lot of controversy about ethanol but the fact is ethanol blends in petrol are here to stay. Here in Australia, regular unleaded petrol is being phased out, to be replaced by E10 – a blend of 10 per cent ethanol in petrol.

Most cars can