Having the right pressure for your tyre is also important, too low pressure will consume more fuel, a lot people always lazy go to check and pump their tyre. . .
According to Michellin, based on a lab test under a Volvo car, they have the results are true. This is a petrol saver tyre. Simple, do a test for your own. Go to any tyre shop, ask for this tyre, another hand get a same specs of tyre from other maker.
First, throw out the Michellin and then throw out another maker tyre, then see which tyre can roll the farest away.