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50% more fuel than official results would be like claims 30 mpg and actually getting 22.5 mpg.
by arasmussen 11y ago
50% more fuel than official results would be like claims 30 mpg and actually getting 22.5 mpg.
- acomjean 11y agoFair enough.. But still a significant real world difference. EPA (USA) tests aren't really real world and they don't just drive the cars. Well they drive them on a dyno on a preset pattern (see the picture in the link). https://www.fueleconomy.gov/feg/how_tested.shtml https://www.fueleconomy.gov/feg/how_tested.shtml they measure emissions to estimate fuel consumption.
- mikeash 11y agoConsuming 50% more fuel than 30MPG is 20MPG, not 22.5MPG: 30 miles divided by 1.5 gallons equals 20 miles/gallon.
- arasmussen 11y agoTrue. I was thinking 100% more would be 15 MPG so 50% more would be 22.5. Thanks for the correction.
- mikeash 11y agoMakes sense, I was wondering where that number came from. Of course it all goes nonlinear when you take the reciprocal.