Yesterday, Amex listed O2 Diesel closed down 8.3%. The company aims to break into the US diesel market, which powers 94% of US freight, with an optimal blend of ethanol and mineral diesel. These additionally tuned oxygenates will remove many of the harmful pollutants that typically come from diesel.

Many parts of America such as California have demanding air quality standards which ought to encourage the take up of 02 Diesel.

But it's a tall order to design and implement a complete supply and refuelling programme. They are however exploring the military market and there's plenty of political support for the growing use of ethanol in America.

Definitely one to watch . . .