Chuck
05-04-2010, 04:47 PM
http://www.cleanmpg.com/photos/data/2/AmericanFlag.jpg Start/stop systems can yield a 5 to 8 percent improvement in efficiency when driving in urban environments. Unfortunately, the methodology of current EPA test cycles does not reflect those benefits. (http://www.popularmechanics.com/cars/alternative-fuel/news/sae-fuel-efficiency-engineering)
http://www.youtube.com/v/XLiqvZOP8TY&hl=en_US&fs=1&Sam Abuelsamid - POPULARMECHANICS (http://www.popularmechanics.com) - Mar 4, 2010
In urban traffic, autostop/FAS is more like 15% --Ed.
Now that the Obama Administration has set the Corporate Average Fuel Economy (CAFE) standard at 34.1 mpg by the year 2016, along with tightening CO2 emissions regulations, the world's automotive engineers can lock in their product plans for the next several years. During the first panel discussion at this year's SAE World Congress, titled "Near-Term Powertrain Solutions—Before 2016," executives from Chrysler, Ford, Honda and Hyundai/Kia discussed how they plan to meet the new criteria. While battery-operated, hybrid and plug-in hybrid powertrains continue to grab most of the headlines, the reality is that electrified technologies will compose only a small percentage of the market in the near to mid-term. Old-school gas–piston engines are likely to remain in use for several more decades, and still have plenty of room for improvement. Barb Samardzich, Ford's VP of global powertrain development, emphasized that efficiency solutions must be affordable. In order to make a tangible difference in overall fuel consumption and greenhouse gas emissions, the technology "has to be [available] in hundreds of thousands or millions of units," Sanardzich said.
Here are some of the technologies and innovations that auto engineers are hoping will bring their fleets up to 34.1 mpg.... http://www.popularmechanics.com/cars/alternative-fuel/news/sae-fuel-efficiency-engineering
http://www.youtube.com/v/XLiqvZOP8TY&hl=en_US&fs=1&Sam Abuelsamid - POPULARMECHANICS (http://www.popularmechanics.com) - Mar 4, 2010
In urban traffic, autostop/FAS is more like 15% --Ed.
Now that the Obama Administration has set the Corporate Average Fuel Economy (CAFE) standard at 34.1 mpg by the year 2016, along with tightening CO2 emissions regulations, the world's automotive engineers can lock in their product plans for the next several years. During the first panel discussion at this year's SAE World Congress, titled "Near-Term Powertrain Solutions—Before 2016," executives from Chrysler, Ford, Honda and Hyundai/Kia discussed how they plan to meet the new criteria. While battery-operated, hybrid and plug-in hybrid powertrains continue to grab most of the headlines, the reality is that electrified technologies will compose only a small percentage of the market in the near to mid-term. Old-school gas–piston engines are likely to remain in use for several more decades, and still have plenty of room for improvement. Barb Samardzich, Ford's VP of global powertrain development, emphasized that efficiency solutions must be affordable. In order to make a tangible difference in overall fuel consumption and greenhouse gas emissions, the technology "has to be [available] in hundreds of thousands or millions of units," Sanardzich said.
Here are some of the technologies and innovations that auto engineers are hoping will bring their fleets up to 34.1 mpg.... http://www.popularmechanics.com/cars/alternative-fuel/news/sae-fuel-efficiency-engineering