EPA estimates to finally drop in 08
12-13-2006, 05:16 PM
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EPA estimates to finally drop in 08
Originally Posted by The Daily Auto Insider
The Environmental Protection Agency (EPA) issued new testing procedures that will cause fuel economy estimates on the stickers of new vehicles to drop an average of 12% for city driving on most 2008 model year vehicles, and 8% for highway driving, the Associated Press reported. The changes are in response to consumer complaints that fuel economy estimates often don't match real-world driving. The EPA's new procedure will take into account data from vehicle tests designed to more accurately assess high-speed driving, rapid acceleration, the use of air conditioning and driving in cold temperatures, the story said.
Highly fuel-efficient vehicles are expected to see the largest slide, with ratings for city driving dropping by as much as 30% and highway estimates falling 25% from current levels. Mileage estimates for gas-electric hybrids probably will be 20% to 30% lower for city driving and 10% to 20% lower on the highway, the EPA said.
"The EPA's new fuel economy sticker ensures American motorists won't be stuck with higher-than-anticipated charges at the pump," said EPA Administrator Stephen L. Johnson in a statement.
Highly fuel-efficient vehicles are expected to see the largest slide, with ratings for city driving dropping by as much as 30% and highway estimates falling 25% from current levels. Mileage estimates for gas-electric hybrids probably will be 20% to 30% lower for city driving and 10% to 20% lower on the highway, the EPA said.
"The EPA's new fuel economy sticker ensures American motorists won't be stuck with higher-than-anticipated charges at the pump," said EPA Administrator Stephen L. Johnson in a statement.
it's about time. all these companies are cheating by fixing the gearing in alot of these cars to make the EPA estimates go sky high (toyota anyone?) you can't screw with real world numbers....
all i can hope for next is the SAE board only allowing WHP numbers to be advertised, but i won't hold my breath.
12-13-2006, 05:25 PM
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Apathy Kills
I wouldn't exactly celebrate the lowering of MPG figures. 
h:
I agree that the old testing regimen was inaccurate and needed to be fixed, but the long-term goal still needs to be greater real-world fuel efficiency.
:hsughr:
h:I agree that the old testing regimen was inaccurate and needed to be fixed, but the long-term goal still needs to be greater real-world fuel efficiency.
:hsughr:
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12-13-2006, 05:39 PM
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I agree the EPA should have more realistic ratings. If they drop, they drop. At least people will have a better idea of what they are buying.
Wasn't the Insight rated at 68 MPG highway? I'm sure that's with the wind at it's tail, going down hill in neutral with the engine off and running on just the electric motor.
Wasn't the Insight rated at 68 MPG highway? I'm sure that's with the wind at it's tail, going down hill in neutral with the engine off and running on just the electric motor.
Last edited by fastball; 12-13-2006 at 05:42 PM.
12-13-2006, 06:19 PM
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They routinely 80+MPG and many people have gotten over 100MPG on level ground. And the Insight can't run on battery-only power.
12-13-2006, 06:35 PM
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Toyota better redesign the Pruis. There is going to be hybrid bashers when the Pruis' real MPG is revealed. Other hybrids will have to watch out, they might turn out to not really save that much gas.
12-13-2006, 06:46 PM
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the independent electric motor was great when MPG rating were done at set speeds and in stop and go in the city. but not at varying speeds at high speed.
the insight has much more steady numbers because it's IMA system could be comparable to a gas system just because there was no "electric on/off" phasing during driving.
12-13-2006, 07:15 PM
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the prius wont do as well because of the hybrid synergy drive.
the independent electric motor was great when MPG rating were done at set speeds and in stop and go in the city. but not at varying speeds at high speed.
the insight has much more steady numbers because it's IMA system could be comparable to a gas system just because there was no "electric on/off" phasing during driving.
the independent electric motor was great when MPG rating were done at set speeds and in stop and go in the city. but not at varying speeds at high speed.
the insight has much more steady numbers because it's IMA system could be comparable to a gas system just because there was no "electric on/off" phasing during driving.
12-13-2006, 08:35 PM
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what i am trying to get people to think about is the fact that the city MPG rating mostly is so high due to the fact that it is running on electric at low speeds for the most part, once rapid acceleration and varying speeds as well as ac or other real world condtions are introduced that the prius will probably need to use the gas engine, and therefore more gas.
in short: i feel the old test favored the prius's design. the new test will probably recreate what most people will actually see.
