COMMENT: Solar power addresses truck idling issue

Fuel economy concerns among North American truck operators have been assuaged to a degree over the last two or three years by falling crude oil and hence diesel prices. One result has been a slowing down in demand for alternative fuels, most obviously natural gas in either its compressed or liquefied form.

But there is a widespread recognition that low diesel prices cannot last for ever. There is also some apprehension that legislated fuel consumption standards, imposed on