Oil

Opec, the oil producing cartel, has warned that the price of crude could keep rising to reach $200 a barrel.

A Range Rover using biodegradable oil recently won its class in the British Off-road Championships. It’s believed that this is the first time that a biodegradable oil has been used on a production vehicle in a motorsports competition.

Scientists have criticised a major review of the world's remaining oil reserves, warning that the end of oil is coming sooner than governments and oil companies are prepared to admit.