Diesel prices in the UK have risen about £2 a litre on average, for the first time ever, the RAC motoring group has said. Price rises are "showing no signs of slowing, heaping more misery onto motorists," they added. But expensive fuel does not just affect drivers, BBC Business Editor Simon Jack said, as the soaring costs may lead to more expensive groceries. Tap the link in @BBCNews’s bio to read more. #Diesel #BBCNews