The great fuel puzzle!

IF you are considering changing your car, maybe the type of fuel the new one uses should now be an important factor, when influencing a decision to reduce your carbon footprint.

The most common types are still petrol and diesel, yet hybrids, such as electric and hydrogen cars, are up-and-coming in the market.

Petrol is divided into two main areas: Sin Plomo 95 and Sin Plomo 98. The 95 and 98 stand for the research-octane ratings, and the higher the rating, the better the performance.

All manufacturers build their engines to work with a certain type of petrol. Yet, curiously, many handbooks do not tell you what fuels are better for your engine.

The exact petrol needed can be found out via technical data, usually held by garages and mechanics. Petrol engines are normally quieter and cheaper to repair than their diesel counterparts, but they are not as environmentally friendly.

Diesel, or gasoil, as it is referred to here, has lower C02 emissions, and some high-performance diesel fuels are available in Tenerife. Diesel has high engine-efficiency, but is louder than its petrol equivalent, yet it is more economical for those drivers who do more kilometres.

Hybrid combines a rechargeable electric system, with a fuel-based engine. Usually, the electric battery is recharged by an internal combustion engine, or from the kinetic energy absorbed when braking.

This results in impressive fuel economy and better efficiency, as well as having lower fuel consumption, lower C02 and other pollutant emissions.

However, they are extremely expensive, and not as readily-available as petrol and diesel cars.

Hydrogen cars convert chemical energy of hydrogen into mechanical energy, to give the car its power. It has no C02 or other emissions, and is environmentally-friendly. But hydrogen is highly-flammable, in addition to being difficult to obtain, and store safely.

Electric cars need to be charged with your electrical supply, or at garages which have the facility, and the charging time will vary for each make and model.

There are no emissions from these types of vehicles, and they are really quiet, with good acceleration. However, they do require a lot of electricity and have a short range, of, approximately, 75 kilometres. And most have a top speed of around 70km/h.

This would be a suitable vehicle for someone who travels short distances only, in and around town.

Bio-diesels are produced from the oil of crops, such as oilseed rape, sunflower and soybeans. They can be used as a 5% fraction in existing diesel engines, with no need for modification. Using bio-diesel will reduce the volume of CO2your engine produces by up to 60%, resulting in lower pollutants entering the environment.

But bio-diesels produce oxides of nitrogen, which have a tendency to form a smog. Higher volumes than 5% additions can be used, although the engine would need limited modifications, and this might affect the vehicle’s warranty.


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Posted by on May 18 2018. Filed under Motoring. You can follow any responses to this entry through the RSS 2.0. Both comments and pings are currently closed.

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