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Diesel engines are more efficient and do use less fuel, but they do not cost less than a petrol engine, they cost more. Diesel fuel also costs more. A diesel engine will however last longer.

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Q: Why diesel gives more milage than petrol and petrol car costly than diesel?
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Which produces more pollution petrol engine vehicles or diesel engine vehicles?

Diesel Engine. Due to high caloric value it gives more high milage but it creates pollutions due to incomplete burningg of some gases.


What is the mileage for Ford vehicles?

Ford sedan will give 14-17kmpl for petrol and for diesel 17- 23.5kmpl SUV will gives 7 to 12 kmpl for petrol and diesel


Which gives more mileage petrol or diesel?

Diesel engines normally get better fuel economy than gasoline engines.


Can diesel gives more average than petrol?

Yes, diesel engines traditionally get better fuel mileage than a gasoline engine.


What gives more mileage diesel or petrol?

It obviously depends on the cars being compared but generally Diesel provides better gas mileage.


Why petrol cars gives more mileage than diesel cars?

They don't. Diesels get better mileage and last longer.


Why do many cars have diesel engines when petrol gives a better performance?

Some cars have diesel engines because diesel engines give more mileage and diesel is cheaper than gasoline in some countries. In the UK diesel fuel costs more than gas but, because diesel engines give much better mileage (miles per gallon), people are still happy to pay more for the diesel fuel if they run diesel vehicles. Diesel engines last much longer and have much better torque at low revs than a petrol engine.


What problems do petrol and diesel cause and how can we reduce them?

Burning by products of fossil fuels such as diesel and petrol gives off unburnt carbon particles.This in turn rises up in the atmosphere are react with other atmospheric gases.Sometimes this reaction produces harmful radicals which contributes to global warming.This can be minimized by installing better quality filters in cars and industrial plants.


How do you find diesel adulteration?

If there is adulteration in diesel, you will gt late throttle response. There will be ignition delay. A good diesel gives wafer crisp power delivery & quick throttle response. Good quality diesel gives excellent low end torque & strong pulling power from lower RPM. As per obsevation of Multijet engine of FIAT :- In multijet engine, good quality diesel burns with clattery sound on idle. In multijet engine ,at cold start ,Adulterated diesel gives diesel clatter but diesel clattter disappears when engine goes to operating temp. In multijet engine at full operating temperature diesel clatter disappears & engine revs like petrol engine without sound of diesel clatter.


Whick brand gasoline gives best milage with Toyota Prius?

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Has diesel got more fuel energy than petrol?

Actually diesel fuel has a slightly lower amount of energy per weight than gasoline (45.3 vs. 47.2 MJ/kg). Cylinder pressure is what gives diesel engines their power, that is why diesel engines parts are so much stronger/heavier than gas similar sized gas engines.


Does the fuel injector affect gas usages?

it gives you better gas milage but also increases your hourse power