With fuel prices at record levels, you might have heard the term hypermiling. Here's how it can help you improve your car's efficiency:
Before you set off, think about the route you’re going to take.
Geography plays a role too; if your route is hilly, you’ll expend much more energy – and fuel – going uphill than you would on a flatter road. And while you might save energy by building momentum while going downhill, it won’t fully offset what’s required to go back uphill.You should also check that your tyres are inflated to the manufacturer-recommended pressure. If they’re below that figure, more of the tyre will be in contact with the road than there needs to be.
If you’d like to go the extra mile, you can even check your tyres’ energy rating. Each tyre is given a grade based on its fuel efficiency, with the highest being A and the lowest G. Tyres in higher classes have reduced resistance with the road; this diminishes the force a car’s engine or motor has to overcome to move, consequently saving fuel or charge.
That removes the resistance force produced by the gearbox and reduces how much momentum you lose when not accelerating. And by maintaining as much momentum as possible, you reduce how hard you have to work the engine or motor to maintain or regain speed – thus reducing your energy consumption. Avoid using electrical appliances such as air conditioning, heating or demisters if possible, because these add to the strain on your engine and increase fuel consumption. If it’s hot, a better solution is to open a window instead. However, you should use your air-con at least once a week to prevent parts from seizing and leaving you with expensive repair bills.
If you drive a car with a manual gearbox change up early – but not so much that the engine struggles. Diesels tend to be especially punchy at low revs, and this means they’re particularly receptive to this technique.
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