what are the recommended / tested ways to get maximum economy from the new 2012 camry what fuels are best to use E10, 91, 95? What tyre pressures ? to Eco or not to Eco ? how to coast and when to press the EV mode? has anyone got any tips and done any experiments I only just got mine and on the first tank of 91 averaged 6.3 lph now on the second tank with 95 and can't get it lower then 8.3 lph after 300km