Tag: fuel-efficiency

35 How effective is turning a car's engine off while standing at a traffic light? 2013-03-19T17:38:08.643

31 Are electric cars as environmentally friendly as we think they are? 2013-03-07T18:49:32.743

15 When does using a car's start-stop system become more economical? 2013-10-11T07:33:11.893

13 Propane vs. Electric vs. Heat Pump 2013-02-23T19:13:04.460

8 What is the most environmentally-friendly fuel source (e.g. wood, coal, oils, alcohols) for campfire cooking? 2014-07-08T23:47:47.230

8 What would be the most sustainable biomass source for (100%) ethanol production? 2014-07-16T01:05:21.490

8 How to choose a more sustainable vacation option? 2016-06-23T17:22:47.103

8 Does putting an automatic car in neutral when stopped help save petrol? 2016-11-05T01:13:56.480

7 Is my car more sustainable with or without an EGR? 2013-02-07T20:39:30.210

7 Impact on environment: a million horses vs a million cars 2015-07-09T23:47:17.270

6 Can chip tuning make a car more fuel-effective? 2013-09-29T20:19:34.460

6 Burning wood efficiently via rocket stove 2014-09-09T20:54:58.157

6 Oxyhydrogen as home heating method 2015-03-26T19:35:00.290

6 Water heater vs stovetop: most efficient way to heat water using natural gas? 2017-03-03T03:06:04.390

5 Is it better to use propane or natural gas as a heating fuel? 2014-06-24T23:07:21.623

5 Is it possible to calculate energy efficiency of a flat by knowing how much energy was consumed for heating? 2016-01-26T13:21:22.560

5 Is flying more sustainable than taking the train? 2017-08-24T15:37:33.867

4 Efficiency of car-sized vehicles running on train tracks 2013-06-29T06:23:49.077

4 Can alloy wheels (for a car) pay for themselves through fuel savings? 2015-02-12T10:18:42.913

4 How efficient are tiny cars compared to others? 2015-11-04T14:30:31.400

4 Carbon footprint of CNG vs. Diesel as a vehicle fuel 2017-03-23T07:00:29.650

3 What is the fuel-use of an industrial sized diesel-machinery-based composting business? 2013-05-26T09:37:40.970

3 Size of wood lot required for cooking/heating (US west coast)? 2016-02-01T23:17:05.263

2 Are we running out of fuel? 2015-06-29T09:59:48.970

1 Fuel efficiency when decelerating on a hill 2015-11-04T02:04:08.757