01 Oct 2001

The concerns about global warming and greenhouse effect have, quite justifiably, fuelled the search for ‘carbon-free’ energy sources to curb CO2 emissions. Road transport is a major user of energy and virtually all of it is based on relatively ‘carbon-intensive’ fossil fuels. It is therefore the subject of much attention as more ‘greenhouse-friendly’ alternatives are being considered. Using hydrogen is heralded as such an alternative, with visions of the world gradually converting to the ‘hydrogen economy’.