i'd love to introduce you, if you don't know her already, petty officer liz perez and some of the naval officers i know are working on this. you need a lot of people working on this and the more everybody is able to meet each other and form a broader network it seems it will be even more powerful. wonderful to make the acquaintance by way of tv and thanks for your time today, terron. >> thank you, dylan, and thank you for being vigilant. >>> we know dan from yahoo finance and commerce, money and economics. you sort of brought a nice perspective to this, which is compared to a few years ago, for someone beating the drum on efficiency all the time, we've moved in that direction. >> even compared to a year ago, i just saw a number of december. we drove 1.5% more miles than we did the year before, using about 3% less gasoline. that's a 4% improvement. it may not sound like much. you do that two or three years in a row and you're talking serious business. >> what have the efficiency trends been and is this a reversal for this country? >> if anything, i think the efficiency trends were negati