This is one of those topics of discussion that most people get wrong. In older petrol cars that used carbs, coasting or freewheeling downhill would save you fuel, and this method worked quite well for those older cars. Modern petrol cars with Electronic Fuel Injection, do not work the same way. Modern cars with EFI have a Fuel Return Pipe which sends unused fuel back to the tank, READ MORE »
Posts in category Faq
Will high tire pressure improve fuel economy?
Jun21
2008
Written by admin
2008
Written by admin
Yes it will, I would recommend increasing tire pressures to improve fuel economy, and you should inflate them to the maximum allowed for your tires. READ MORE »
If I fit bigger wheels will I get better mpg?
Jun21
2008
Written by admin
2008
Written by admin
If i fit bigger wheels will I get better mpg?
Again the answer is yes, this approach can make a significant difference to economy, but it comes at a price, and care must be taken. If you go too big with your wheel/tire combination, you may experience the tires rubbing against the wheel arch! You should consider the following points before trying this method. READ MORE »
Would fitting alloy wheels affect fuel economy?
Jun21
2008
Written by admin
2008
Written by admin
In a nutshell, Yes, but only if you are changing from standard steel wheels to alloy wheels. READ MORE »
Will changing gear earlier, really save fuel?
Jun21
2008
Written by admin
2008
Written by admin
Yes it normally does, but if you let the revs drop so low, that your engine starts chugging, or struggling in any gear, then that will hurt fuel economy. If it’s chugging, then you need to drop a gear, ie chugging in 3rd, you drop to 2nd. What you must understand is that, READ MORE »
Should I let my engine warm up before driving?
Jun21
2008
Written by admin
2008
Written by admin
If your car is a standard petrol engine, or a naturally aspirated (no turbo) diesel, then you should not warm it up on cold mornings, it is far more fuel efficient to just drive off immediately and let it warm up naturally. If your petrol or diesel car is fitted with a turbo, then you should wait at least 1-2 minutes before driving off, this is purely to allow READ MORE »
