Telegraph: Officers should also switch their engine off when stopped for a “prolonged” time, skip gears to slow the car down and even take their foot off the accelerator if possible. For the first time, the “eco-driving” tips now form part of the official police driver training manual in a hope of cutting costs and making forces greener. But one campaign group warned the advice was more evidence of “micromanagement” which hampered officers fighting crime. The training is based on …