Editing Fuel efficiency (section)

==External links==
{{external cleanup|date=November 2023}}
* [http://www.fueleconomy.gov/ US Government website on fuel economy]
* [http://www.dft.gov.uk/stellent/groups/dft_railways/documents/page/dft_railways_611287.pdf UK DfT comparisons on road and rail]
* [http://apps1.eere.energy.gov/news/news_detail.cfm/news_id=12694 NASA Offers a $1.5 Million Prize for a Fast and Fuel-Efficient Aircraft] {{Webarchive|url=https://web.archive.org/web/20160303200449/http://apps1.eere.energy.gov/news/news_detail.cfm/news_id=12694 |date=2016-03-03 }}
* [http://www.carfuelconsumption.com Car Fuel Consumption Official Figures]
* [http://www.spritmonitor.de/de/die_sparsamsten_autos.html Spritmonitor.de "the most fuel efficient cars" - Database of thousands of (mostly German) car owners' actual fuel consumption figures] (cf. [[Spritmonitor]])
* {{usurped|1=[https://web.archive.org/web/20131029195658/http://fueleconomy.carconsumption.com/ Searchable fuel economy data from the EPA - United States Environmental Protection Agency]}}
* [http://www.xpower-ionizer.com/ penghemat bbm - Alat penghemat bbm]
* [https://www.nytimes.com/2014/11/18/science/earth/hydrogen-cars-join-electric-models-in-showrooms.html Ny Times: A Road Test of Alternative Fuel Visions]

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[[Category:Energy economics]]
[[Category:Physical quantities]]
[[Category:Energy efficiency]]
[[Category:Transport economics]]