Exact(8)
At low speed, the engine of a conventional car is the primary source of noise and this would, of course, disappear immediately if all cars became electric.
Because a C.V.T. more closely matches the engine's output to the vehicle's speed, the engine should always be operating at optimum efficiency, improving fuel economy.
Firstly, a test of the tractor is performed which measures the power take-off speed, the engine torque, the fuel consumption and several environmental variables.
But once at speed, the engine thrashed and the car was buffeted by the wake of passing tractor trailers, giving me pause when I thought about taking one hand off the wheel.
Under normal driving conditions at constant moderate speed, the engine may operate at an uneconomically light load unless some means is provided to change its speed and power output.
When the car has achieved a level cruising speed, the engine can shut down half its cylinders, effectively reducing fuel use by 20% and decreasing wear.
Similar(52)
At highway speeds the engine — working hard just to maintain 70 m.p.h.
But at low and medium speeds the engine switches into diesel mode, in which the fuel is ignited by compression and heat alone.
Along with new manual and automatic transmissions — both with 6 forward speeds — the engines represent the single greatest technological leap for the Mustang since it entered production 46 years ago.
Back at the TARDIS, Jack begins integrating the extrapolator into the TARDIS to speed up the engine recharge.
Pushing down the accelerator slightly will increase heat, and speed up the engine's mechanical fan; which will force more warm air under the vehicle.
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