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These may improve fuel economy because the engine runs slightly lean as a consequence. However, running leaner than the manufacturer intended can cause overheating, piston damage, loss of maximum power and poor emissions (e.g., higher NOx due to higher combustion temperatures, or, if misfiring occurs, greater hydrocarbon emissions).
It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy. Estimated performance on EPA tests shows a 5.5–7.5% improvement in fuel economy. [1] GM's Active Fuel Management [2] technology used a solenoid to deactivate the lifters on selected cylinders of a pushrod V-layout engine.
The evolution of modern automatic transmission and the integration of electronic controls have allowed great progress in recent years. The modern automatic transmission is now able to achieve better fuel economy, reduced engine emissions, greater shift system reliability, improved shift feel, improved shift speed and improved vehicle handling ...
The engine powers the air conditioner on most cars, which means that running the AC burns fuel, reducing gas mileage by 1 to 4 mpg. And the hotter it is out there, the more energy your vehicle's ...
The new global family is designed to improve fuel economy, performance, and emissions, while reducing noise and vibrations. To achieve this, it features a lightweight design and advanced technologies like gasoline direct injection , turbocharging , variable-length intake manifolds , and alternative fuel compatibility.
Fuel consumption monitor from a 2006 Honda Airwave.The displayed fuel economy is 18.1 km/L (5.5 L/100 km; 43 mpg ‑US). A Briggs and Stratton Flyer from 1916. Originally an experiment in creating a fuel-saving automobile in the United States, the vehicle weighed only 135 lb (61.2 kg) and was an adaptation of a small gasoline engine originally designed to power a bicycle.
(Reuters) -U.S. President-elect Donald Trump said on Monday there would be "hell to pay" in the Middle East if hostages held in the Gaza Strip were not released prior to his Jan. 20 inauguration.
The sheriff said Tesla CEO Elon Musk helped the investigation by having the truck unlocked after it auto-locked in the blast and giving investigators video of the suspect at charging stations ...