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Actual fuel economy of cars and light trucks: 1966-2019

Green Car Congress

No change between 1991 and 2004 (19.6 A modest increase between 2004 and 2008 (from 19.6 In comparison, the change between 2008 and 2019 (from 4.59 Noteworthy fuel-economy trends, taking into account the length of time represented: A minor decrease between 1966 and 1973 (from 13.5 mpg for both years). gallons per 100 miles to 5.10

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Number of vehicles in the United States: Did we reach the peak in 2006?

Green Car Congress

Distance driven per person reached a maximum in 2004. While this rate has been on a rebound since 2013, the 2017 rate is still down from 2004 by 5.2%. In comparison, distance driven per person is down by 5.2% The present study analyzes corresponding changes in the number of vehicles during the same period. population).

2006 277
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Actual fuel economy of cars and light trucks: 1966-2017

Green Car Congress

No change between 1991 and 2004 (19.6 A modest increase between 2004 and 2008 (from 19.6 In comparison, the change between 2008 and 2017 (from 4.59 Noteworthy fuel-economy trends, taking into account the length of time represented: A minor decrease between 1966 and 1973 (from 13.5 mpg for both years). gallons per 100 miles to 5.09

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Fraser Institute: pipelines 2.5x safer than rail for oil transportation; tankers have safest record

Green Car Congress

accidents per million barrels of oil shipped by pipeline between 2004 and 2015, compared to 0.08 Marine tankers, by comparison, have a spill rate of less than 0.001 per million barrels of oil shipped. The study updates previous research that finds pipelines are 2.5 While oil shipped by tanker has increased from 1.4

Oil 150
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EU validates Audi LED headlight technology as fuel saving

Green Car Congress

By comparison, LED headlights from Audi operate with significantly better energy efficiency—the low-beam lights only consume around 80 watts. LED daytime running lights made their debut in the Audi A8 W12 back in 2004. Conventional halogen units consume more than 135 watts of power in their low-beam headlight mode.

Audi 255
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NOAA greenhouse gas index continues climbing; 1.29 in 2010

Green Car Congress

Started in 2004, the AGGI reached 1.29 the combined heating effect of long-lived greenhouse gases added to the atmosphere by human activities has increased by 29% since 1990, the index year used as a baseline for comparison. NOAA researchers developed the AGGI in 2004 and have so far back calculated it to 1978. —i.e.,

2010 199
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NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100%

Green Car Congress

The fuel economy results of a 2004 Toyota Prius from simulation and testing showed 24-90% fuel economy improvement with PnG drive cycles compared to steady speed results. The downside of such a technique is that it currently requires sustained attention from the driver.