Tirerack just ran at test on low rolling resistance tires, and actually tested them on 2009 (GenII) Priuses. Results are interesting, and the highest MPG tire got a 4.74% increase in mpg over stock Goodyear Integrity tires: Michelin Energy Saver A/S Good, detailed article: http://www.tirerack.com/tires/tests/testDisplay.jsp?ttid=121
Already discussed: http://priuschat.com/forums/gen-ii-...ity-against-energy-saver-ecopia-fuel-max.html http://priuschat.com/forums/gen-ii-...3-new-tirerack-test-fuel-efficient-tires.html http://priuschat.com/forums/gen-iii...eshooting/69664-tirerack-tests-eco-tires.html
