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May 25, 2011

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is the MPG actual from real vehicle tests or estimated?

Many inefficient SUV's would have received a 'C+' grade or lower under the unambiguous letter grade proposal for the fuel economy label, now apparently abandoned. Along with MPG and cost-saving numbers also (to have been) included in such a label, quick and clear comparative information would have been available. I.e., inefficient vehicles would receive lower fuel economy grades. Simple and straightforward.

The auto industry reportedly lobbied against the letter-grade option. Who are the real 'winners'...?

Did you really show up in a SUV that gets 12mpg to roll out the new stickers? You sound very pompous much like the pompous one you work for.

It is now official, the Second Law of Thermodynamics has been repealed.

Look at the fueleconomy.gov site and go to the electric vehicle tab. You will eventually discover that a gallon of gasoline represents a 33.7 kWhr of electric energy.

A gallon of gasoline has never produced more than about 11 kWhr of electric energy.

The only equivalence is the amount of heat that can be produced by these two forms of energy.

MPGe as thus defined by our EPA is an outrageous lie. And it will trick people into buying electric vehicles that have no special merit in limiting CO2. The trick will be ok as long as coal remains cheap and we think it is a good thing to shift from oil to coal.

Unfortunately it removes the incentive to actually make an energy efficient vehicle, since it gives the impression that electrifying a car accomplishes so much.

I think this is absolutely fantastic. I recently purchased a smaller car than my last one. I really just wanted something a little sportier since my children are now driving their own cars and I was amazed in the difference in what I am spending on gas. I don't drive a whole lot but even still... I am now only consuming about $15 per week in fuel vs. my larger car using about $30 per week. I cannot believe how infrequently I have to put gas in the car... this is great!

Great advance on the new fuel labels which will help people become more educated in terms of quantifying fuel efficiency benefits and factoring those into their vehicle purchasing decision process. The QR codes are going to be huge as the adoption of camera enabled smartphones now are reaching price points that put them within reach of most US consumers.
Since global oil scarcity is a known constraint that is going to get worse as global demand outpaces supplies/reserves, the above solution, while a huge step forward, it is a mid-term solution, albeit a much needed one.
Alternative energy is only long term solution as most experts agree that 50-100 years is the time horizon when natural crude will become extinct like the dinosaurs that gifted planet earth its rich oil resources. I would love to hear about programs in those areas in future posts. Thanks.

Great piece. Thank you for sharing.

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