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By a generous estimate, they can be about 30% more efficient than a gasoline engine.
I assume you mean "are turbines more efficient than piston engines".
Depends on the running conditions. At full load, steady running conditions, turbines are better than piston Engines. At varying loads, turbines often do quite poorly.
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Which engine is more efficient diesel engine or gasoline engine?
Diesel engines are more efficient than gasoline engines.
Are Diesel engines more economic than Gasoline engines?
They put out more torque per cubic inch, and certain ones can get better miles per gallon, but the fuel is also more expensive. Modern diesel engines are more efficient than their gasoline counterparts.
Is diesel or petrol more efficient?
Diesel engines are more efficient. They get better mileage, produce more torque, and last much longer than a gasoline engine. They are also more expensive to build.
Why a dieel engine is more efficient than a gasolene engine?
Diesel engines are more efficient than gasoline because chambers are different. A diesel engine has better gas mileage.
Why do you have different types of engines?
Because different engines have different advantages. Steam engines can be run from anything that burns, but are big and heavy. 2-stroke (gasoline) engines has great power-to-weight ratio, but tend to use a lot of fuel and create a lot of emissions. 4-stroke Diesel engines tend to run rougher and don't rev as high as gasoline engines but are more fuel efficient and often have more torque.
What is the advantage of diesel engine to gas engine?
Diesels are more efficient than gasoline engines because of the way engine speed is controlled (diesels control speed with the amount of fuel injected, whereas gasoline engines control speed by how much air gets in), and because diesel fuel contains more chemical energy than gasoline.
What is more efficient the gasoline engine or diesel engine?
The diesel is more efficient but more expensive to build.
What are the pros and cons of gasoline?
more efficient but more pollution
What are some of the advantages of having a diesel truck?
Diesel trucks can pull heavy loads because of the all the torque generated. Diesel is also more efficient than gasoline. Diesel engines are durable and last longer than gasoline engines. Diesel gas is also cheaper to refine.
Are diesel cars more efficient than normal cars?
Because of a diesel engines high compression ratio, it will always be more efficient than an equivalent gasoline engine. However, this higher compression ratio requires a heavier, more expensive engine which isn't able to reach as high an RPM as a gasoline engine. It is for these reasons that despite their higher efficiencies, diesel engines are less popular than their lighter, less expensive gasoline equivalents. Diesel cars will provide you with a higher MPG rating compared to a similar gasoline powered engine. The price for diesel fuel is generally higher than the cost of unleaded gasoline.
Are diesel engines more reliable than gasoline engines?
Yes, diesel engine will last much longer than gasoline engines. They are built much stronger but are also more expensive to build.
Why does the US military like to use gas turbines instead of diesel piston engines in tanks and ships?
Because a gas turbine is more efficient. A piston engine is better for acceleration but that's about the only advantage.
