So do the zero-growth, sustainable-growth, right-to-die, duty-to-die, life boat bio-ethicists who dominate so much of our intellectual discussion.

FORBES: Malthus and Scrooge: How Charles Dickens Put Holly Branch Through The Heart Of The Worst Economics Ever

However, the couple are adamant that any diesel car can run trouble-free with their advice and the right equipment, although new cars could have their warranty affected by using Bio-Fuel.

BBC: NEWS | UK | England | Devon | Dean ditches diesel for veg oil