Sentences with phrase «fuel efficiency of the engine»

The fuel efficiency of the engine in the CLA is similar, but has better values for the manual transmission — 3.9 as opposed to 4.1 for the 7G - DCT automatic.

Wear and tear on these items can decrease the fuel efficiency of your engine.

Not exact matches

The IMO has adopted mandatory rules for new vessels to boost fuel efficiency as a means of cutting CO2 from ship engines.

Additionally, with traditional combustion engine fuel - efficiency improving rapidly, we do not see the cost of EDV ownership providing consumers with a better value than traditional vehicles.

Those designed to quickly stop and start a car's petrol engine to improve fuel efficiency need a quick burst of power, but for smoothing a domestic solar panel's output, capacity might be more important than speed.

Those modifications include stop — start (idle - off) systems in which the engine shuts down when the car is stopped during driving; low rolling - resistance tires (which are harder and thus less flat, reducing friction); variable valve timing for engines, which increases gas consumption efficiency; and fuel economy computers or displays to encourage eco-driving, such as such as those in the Toyota Prius, which show miles per gallon averages for that moment, hour, week or month, or when riding downhill, so that drivers are more aware of how their driving impacts fuel efficiency.

Efficiency alone — even in the form of aircraft with improved engines and designs such as the Boeing 787, expected to deliver a 20 percent improvement in fuel efficiency over existing big airplanes — is not tEfficiency alone — even in the form of aircraft with improved engines and designs such as the Boeing 787, expected to deliver a 20 percent improvement in fuel efficiency over existing big airplanes — is not tefficiency over existing big airplanes — is not the answer.

«The lower operating temperatures during cold start are due to increasing fuel efficiency in advanced combustion engines, which leaves less energy in the tailpipe exhaust,» said Abhaya Datye, a distinguished professor at UNM's Department of Chemical and Biological Engineering and study co-author.

Turning off the engine when idling, making sure tires are properly inflated, coasting to red lights rather than slamming on the brakes and slowly accelerating from a stop — all can boost fuel efficiency as evidenced by hypermilers, those who have mastered the art of traveling hundreds of miles on a few gallons of gas.

One area of their research seeks to match engine combustion modes with improved fuel properties to create higher efficiency and lower emission transportation technologies.

«We compared the efficiencies of [the port's] diesel engines versus fuel cells, studied the energy efficiencies at various power levels and estimated the savings and reductions in emissions that would be realized if they were to convert to a fuel cell - powered operation,» Pratt said.

Those electric cars — combined with improvements in the fuel efficiency of existing internal combustion engines, new hybrid power trains and even fuel - cell vehicles — could begin to reduce the roughly $ 1 billion a day the U.S. spends on imported oil.

But Bryen says that the same sensor technology, and the algorithms controlling fuel - air mixtures, can also improve the efficiency of fuel - injection engines, including the latest Japanese designs with multiple valves and stratified charge combustion.

To improve fuel efficiency, advanced combustion engines are being designed to minimize the amount of heat wasted in the exhaust.

Therefore, if automobiles could be equipped with «low - cost, ultimate - efficiency engines,» reaching a stand - alone thermal efficiency of 60 % or higher over a wide range of driving conditions, it is believed that a substantial fuel consumption superior to that of current hybrid system automobiles could be a reality.

This ability to specifically time the opening and closing of valves according to engine operation is a key to increasing fuel efficiency, reducing both costs and greenhouse gas emissions.

The US Department of Energy, Office of Energy Efficiency and Renewable Energy's (EERE) Bioenergy Technologies Office (BETO) and Vehicle Technologies Office (VTO) have released a request for information (RFI)(DE-FOA-0001460) titled «Co-Optimization of Fuels and Engines» (Optima).

Like other major automakers, Audi (and its parent Volkswagen Group) is working on meeting its medium - term regulatory requirements (e.g., in the 2020 timeframe) by reducing the average fuel consumption of its new vehicles using a combination of three primary measures: optimizing its combustion engines for greater efficiency; developing alternative drive... Read more →

Through our Vehicle, Bioenergy, and Fuel Cell Technologies Offices, EERE advances the development of next - generation technologies to improve plug - in electric and other alternative - fuel vehicles, advanced combustion engine and vehicle efficiency, and produce low - carbon domestic transportation fuFuel Cell Technologies Offices, EERE advances the development of next - generation technologies to improve plug - in electric and other alternative - fuel vehicles, advanced combustion engine and vehicle efficiency, and produce low - carbon domestic transportation fufuel vehicles, advanced combustion engine and vehicle efficiency, and produce low - carbon domestic transportation fuels.

Leveraging expertise to develop hydrogen - fuel approaches and improve the efficiency of natural gas engines.

Cadillac is boosting fuel efficiency of its 2016 Cadillac CTS and ATS sedans with a host of powertrain changes, including engine start / stop, an eight - speed automatic transmission, and a new 3.6 - liter V - 6 engine that was introduced for the 2016 Cadillac CT6 luxury sedan.

The workhorse engine which will likely power more F - 150s than its three teammates put together is a 5.0 - liter V - 8 that provides an astute balance of initial cost, power, torque, and fuel efficiency.

However, both of these cars offer larger, more powerful 3.0 - liter six - cylinder diesel engines and do not match the E250 BlueTec in terms of fuel efficiency.

The 3.6 - liter engine is unchanged and continues to offer 256 hp and 247 lb - ft of torque, but fuel efficiency is also expected to rise slightly, from 18/25 mpg to 20/28 mpg.

This doesn't come as a surprise; in a bid to achieve better fuel economy and efficiency, the next Wrangler will pack a host of upgrades, including an eight - speed automatic transmission, «Hurricane» turbocharged four - cylinder engine, and a mild hybrid system.

By combining the high - revving performance of petrol power and superior torque and fuel economy of diesel propulsion, Mazda quotes 10 - 30 per cent increases in torque and 20 - 30 per cent gains in engine efficiency over the current Skyactive - G generation engines.

Mazda hasn't invested in turbocharging as much as other automakers, instead relying on the low friction of its Skyactiv naturally aspirated engine family to help it improve fuel efficiency.

CARS.COM — Full - size SUVs can weigh more than 5,000 pounds, and many come with gas - guzzling V - 8 engines, so fuel efficiency isn't one of their strong points.

Neither of those engines manages to crack the 30 - mpg barrier in the EPA's highway fuel efficiency tests, but our car is rated at 25/37/29 mpg (city / highway / combined).

That said, the Mazda 3 is still one of the best cars to drive in the compact class, and with the new engine, compact - car buyers can have fuel efficiency without giving up the fun factor.

Performance There is a battle raging among luxury and mainstream automakers to figure out what type of engines should replace V - 6 and V - 8s as fuel efficiency becomes paramount in our age of more stringent regulations.

The 2016 Hyundai Elantra small sedan boasts an eye - catching design and is powered by a 145 - horsepower, 1.8 - liter four - cylinder engine that promises fuel efficiency of 27 mpg city, 37 mpg highway, 31.7 mpg combined when equipped with manual transmission.

Acura claims V - 8 performance with four - cylinder fuel - efficiency, and indeed, the engine - motor combo produces 377 horsepower and 377 lb - ft, with EPA ratings of 28 mpg in city driving, 32 mpg on the highway, and 30 mpg combined.

Given two engines of similar weight, both operated at their respective optimum efficiency (i.e. maximum mechanical work done per unit of chemical enthalpy in the burnt fuel), you will end up with similar fuel consumption for either engine type.

DSF adds about $ 350 to the cost of an engine, Gustanski says, and increases a four - banger's fuel efficiency up to 8 percent, though in the VW Passat, Delphi claims a 5 - percent gain.

At its heart is a range of cleaner engines, helping reduce emissions and improve fuel efficiency.

It's also likely the new Chevrolet Volt will ditch its current 1.4 - liter range - extending gas engine in favor of a new 1.0 - liter turbocharged three - cylinder, which would improve the car's fuel efficiency and performance once the battery charge is depleted.

Mazda says the diesel engine will offer hybrid levels of fuel efficiency.

In order to increase the Volumetric Efficiency (VE) of your engine «pump», everything must be balanced to add as much fuel that is needed with any added air.

«Many of our customers love the performance look of the Durango R / T and Durango SRT, but are happy with the award - winning Pentastar V - 6 engine's 295 horsepower and the excellent fuel efficiency it delivers,» said Steve Beahm, FCA's North American head of passenger cars, in a release.

The engine seems to run in SPCCI the majority of the time, giving a very wide window of efficiency in normal driving — Mazda says it's as fuel - efficient as its current range of Skyactiv - D diesel engines.

In everyday cruising, the Haldex 5 sends 100 percent of engine torque to the front tires to maximize fuel efficiency.

Not only will this reduce the use of fossil fuels, but the higher purity fuels made in this way can be used in even higher compression ratio engines, increasing efficiency even more.

For enabling a major step forward in gas and diesel engine power, efficiency, and cleanliness, direct fuel injection is AUTOMOBILE MAGAZINE's 2009 Technology of the Year.

Like so many new - generation cars, this 2012 328i has an automatic stop / start mechanism plus a selectable calibration mode for the engine that promotes fuel efficiency, and we generally were in favor of this mileage consciousness.

This optimizes the use of the gasoline engine and electric motor for maximum fuel efficiency, although drivers can select full - electric mode for quieter, greener operation.

The authors argue that vehicle fuel economy may be improved through three primary methods: reducing vehicle weight and size; increased market share of alternative powertrains that show more efficiency than conventional gasoline engines; and, rather than continuing the historical trend of emphasis on vehicles that are heavier, larger, and more powerful, ensuring that improvements in vehicle technology's efficiency gains are directed toward increasing fuel economy.

I support my statements by taking the example of fuel efficiency difference between a carbureted 2 stroke & a carb 4 stroke engine.

In harmony with its touchy - feely image, Volvo's new Drive - E family of four - cylinder gas and diesel engines emphasize low emissions and high fuel efficiency.

The 2016 Mazda 2 is the first version of the small hatchback to be built entirely with Mazda's Skyactiv engine and chassis technologies, which aim to improve fuel efficiency by reducing friction and weight.