Guardian: Ministers have agreed to look again at controversial plans to increase road tax on high-polluting cars, a Labour MP opposed to the scheme said tonight. Ronnie Campbell, the leader of a campaign against the proposed changes, said he had been “given assurances through the whip’s office” that the measure would be reviewed. He told BBC Radio 4’s PM programme that since the rise was not due to come into effect until next April, the chancellor would have time to reconsider …