When you burn a litre of diesel, which weighs around 840g, you get around 2.68kg of carbon dioxide (CO2). When you burn a litre of petrol, which weighs around 740g, you get around 2.31kg of carbon dioxide. Why is what…

Unnecessary idling could land you a £20 fixed penalty notice; in some places in London it’s up to £80. If that’s not enough to convince you to turn off your engine, let’s look at all the reasons and how you…

The amount of CO2 produced per litre or gallon of fuel is fairly consistent, so you just need to know the amount of fuel you used, the type of fuel and the number of miles or kilometres you’ve covered to…