Control of valve overlap is a key factor in
improving engine fuel economy and emissions.
There are of course many other ways of
improving engine fuel economy.
These pages look at how a variable lift and duration VVA system can be used to significantly
improve engine fuel economy.
PREMIUM FUEL INJECTORS - Smaller fuel atomized particles
improve engine fuel economy; Additional fuel filter removes impurities, optimizes engine performance, stops vehicle vibration and accelerates more smoothly
Not exact matches
New York - based ApNano Materials makes lubricating nanocoatings for
engine parts; Oxonica, in the United Kingdom, produces nanoadditives that
improve sunscreens and diesel
fuel; Oakland, California - based Nano - Tex manufactures products that make clothing stain - resistant, softer, and more breathable.
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.
A
fuel injector cleaner can
improve fuel economy by reducing buildup that's causing your
engine to run less efficiently.
They use a surface air - gap firing technology, which can help
improve engine performance and
fuel efficiency by providing multiple spark paths.
One way that automakers aim to
improve fuel economy on internal combustion
engines is by altering the transmission, which can boost performance by an estimated 5 to 10 percent.
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 the answer.
«Optical diagnostic to help
improve fuel economy while reducing emissions: New
engine optics to
fuel future research.»
«
Engine developers can use this information to validate computer models and design advanced engine combustion strategies that will improve fuel economy for consumers while also lowering tailpipe pollutant emissions.&
Engine developers can use this information to validate computer models and design advanced
engine combustion strategies that will improve fuel economy for consumers while also lowering tailpipe pollutant emissions.&
engine combustion strategies that will
improve fuel economy for consumers while also lowering tailpipe pollutant emissions.»
Improved engines and exhaust scrubbers, combined with a new
fuel, willmake energy - efficient diesels nearly as green as hybrids
When it comes to
improving fuel economy,
engines, powertrains,
fuels and batteries seem to get all the attention.
One area of their research seeks to match
engine combustion modes with
improved fuel properties to create higher efficiency and lower emission transportation technologies.
«The simulations performed by Argonne found two optimized
fuel -
engine concepts that could
improve fuel efficiency substantially,» said Yuanjiang Pei, a lab scientist who specializes in computational fluid dynamics at the Aramco Research Center — Detroit.
What is more, new
engine and transmission technologies could enable manufacturers to
improve fuel efficiency without significantly cutting vehicle weights.
Scott Lefeber of Boeing's 787 communications team said in an email that for the
fuel advantage in the Dreamliner, 3 percent comes from materials like composites, 3 percent from systems, 3 percent from
improved aerodynamics and 8 percent from better
engines.
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.
Volkswagen and EPA have not yet disclosed how the defeat software manipulated performance in VW
engines, but it may have run cars richer on testing rigs, cutting NOx emissions and keeping regulators happy, while running lean on the road,
improving fuel economy and keeping customers happy.
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 fu
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 fu
fuel 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.
The caveat here are the new hybrid gasoline
engines which dramatically
improve petrol
fuel consumption, which coupled with the lower carbon density of the
fuel make them lower emitters than an equivelant
engine size diesel.
The method focuses on
improving the function of the aerobic system, the fat - burning
engine responsible for
fueling all of the body's needs.
The
engine features cylinder deactivation for
improved fuel economy.
A lighter continuously variable transmission and
engine stop - start feature help
improve fuel economy.
Our sources say, however, that at least one of those
engines will be revised for
improved fuel economy.
To atone for its high - speed sins the M838TE
engine also has stop - start to
improve fuel economy (26.4 mpg combined) and reduce emissions (249g / km).
Combined
fuel economy goes up for this
engine too,
improving 2 mpg in the ATS to 26 mpg and 1 mpg in the CTS to 25 mpg (AWD models lose 1 mpg combined).
«So to
improve the
fuel economy and emissions of internal combustion
engines and to enhance the range of a future BEV (battery electric vehicle), we have been rethinking the thermal management of a vehicle cabin,» said Epple, in a statement.
Fuel economy for both
engines has
improved.
Lower rear axle ratios on the transmission should reduce
engine rpm on the highway and
improve fuel economy, the automaker said.
Toyota's new hybrid system for rear - wheel - drive vehicles promises
improved fuel economy at high speeds, allowing for intermittent use of the
engine at such speeds.
The
engine, which delivers 365 hp in the Ford F - 150, has proven to be more
fuel - efficient than V - 8s and could
improve upon the Expedition's current EPA ratings of 14/20 mpg (city / highway) with rear - wheel drive and 13/18 mpg with four - wheel drive.
There's no such thing as a free lunch, however, and racing rules say that by
improving its hybrid system, Audi's internal combustion
engine must use 2.5 percent less
fuel than before.
The new Prius, oddly enough, uses a 1.8 - litre
engine as opposed to the 1.5 - litre from the older model, although, overall
fuel economy is
improved to 72.4 mpg.
The diesel Bluetec
engine does go a long way in making this car feel special, though, and it
improves fuel economy tremendously.
Though the company has not yet announced further applications of the new 1.4 T
engine in its U.S. lineup, we wouldn't be surprised to see this
engine make its way into future versions of the Golf in an effort to
improve fuel economy and lower costs.
Thanks to an advanced material mix known as WWK70 — which indicates a steel content of only 70 percent — and to a new generation of more efficient four - and six - cylinder
engines, handling, performance, and
fuel economy should
improve significantly, too.
These new
engine options contribute to 2016 Range Rover Evoque
fuel efficiency
improving by 18 percent compared to the outgoing model.
Set to launch in the U.S. in the spring, the new A4 has sharper styling, new technologies, a significant weight reduction, and new
engines that
improve fuel efficiency.
At the same time that the 6.75 - liter
engine gets more muscle, it also benefits from
improved fuel efficiency.
With a displacement of 1.5 liters, the EA211 has a small turbocharger to deliver plenty of torque from as low as 1,300 rpm, and is said to return
improved fuel economy over older
engine designs.
To
improve fuel economy, the
engine in the Bentley Bentayga V8 deactivates four of its eight cylinders in situations that don't demand full power.
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.
The smallest utility vehicle on this list, Fiat's iconic Italian crossover features a 184 - horsepower / 2.4 - liter four - cylinder
engine paired with a nine - speed automatic transmission, and an available all - wheel - drive system with a disconnecting rear axle for
improved fuel efficiency.
Damico declines to say if all iterations of the fifth - generation
engine will use aluminum blocks, but the intense need to reduce weight and
improve fuel economy makes the lightweight metal attractive.
The refreshed 2017 Kia Forte five - passenger sedan boasts updated exterior styling, 14.9 - cubic - feet of cargo capacity in the trunk, and a new 147 - horsepower 2.0 - liter four - cylinder
engine that's mated to a six - speed automatic transmission that promises both
improved fuel economy and performance.