Excellent update on our efforts to reduce auto emissions, from a combination of more efficient cars to driving less miles, from Terra Pass. Mostly good news in here: http://www.terrapass.com/blog/posts/driving-america-in-the-right-direction?utm_source=bronto&utm_medium=email&utm_term=Driving+America+in+the+right+direction&utm_content=peterarpin%40msn.com&utm_campaign=Newsletter+07%2F29%2F2011ERIN CRAIG | JULY 28, 2011Eco-driving index shows erratic progress, but progress nonetheless."I’ve commented before about a dilemma produced by fuel-efficient cars: they emit less per mile, but also make it less expensive to drive… creating a countervailing incentive to drive more than you might have in a gas guzzler.Therefore...