But that's not the only simple improvement that could cut fuel use - now a team from the University of Warwick in the UK claims that «waggling» air accross aircraft wings could cut skin friction drag by 40 %, offering a 20 % savings
in fuel consumption and emissions.
It benefits from Toyota Optimal Drive technologies, notably variable valve lift, enabling it to deliver more power and torque than the previous 1.6 VVT - i engine, while at the same time making significant improvements
in fuel consumption and emissions levels.
This is a point worth dwelling on, because it proves the effectiveness of the philosophy of «downsizing», aimed at producing high - tech engines to achieve better performance accompanied by drastic reductions
in fuel consumption and emissions.
The powerplant sets standards in various areas such as its aluminium crankcase, its common - rail direct injection and turbocharger with variable turbine geometry which allow it to combine impressive punch with a further reduction
in fuel consumption and emissions.
The continued improvement in engine performance and driving attributes, coupled with reductions
in fuel consumption and emissions, has been a decisive factor in securing the pioneering status of the BMW 3 Series.
And yet the engine also achieves a reduction
in fuel consumption and emissions of around 25 per cent.
In isolation, it provides an average three per cent reduction
in fuel consumption and emissions.
The concept is what BMW calls as the meeting of its xDrive and eDrive, describing it «the logical next step towards bringing about a radical reduction
in fuel consumption and emissions».
This electro - hydraulic variable - valve actuation technology delivers an increase in power up to 10 %, an improvement in low rpm torque up to 15 % and a reduction
in fuel consumption and emissions up to 10 % when compared with similar engines without the technology.
Multiair delivers an increase in power up to 10 % and a reduction
in fuel consumption and emissions up to 10 % when compared to similar engines.
But this does not mean an increase
in fuel consumption and emissions.
Conversely, there is also a nearly 25 per cent reduction
in fuel consumption and emissions.
And yet the engine also achieves a reduction
in fuel consumption and emissions of nearly 25 percent.
They took particular issue with one excerpt in the book claiming the buses were «reported to be falling short
in their fuel consumption and emission figures, in some cases worryingly.»
And that's despite a considerable reduction
in fuel consumption and emission values.
Not exact matches
Many companies have participated
in a sustainability program to reduce greenhouse gas
emissions by one billion tons
and fuel consumption by 86 billion gallons over 10 years.
The LCA examined the effects of a 1 kilogram industry - average corrugated product manufactured
in 2014 on seven environmental impact indicators: global warming potential (greenhouse gas
emissions), eutrophication, acidification, smog, ozone depletion, respiratory effects, fossil
fuel depletion;
and four inventory indicators: water use, water
consumption, renewable energy demand,
and non-renewable energy demand.
The report showed that
emissions dropped 3.4 percent from 2012 to 2011, mostly due to a decrease
in energy
consumption and fuel switching from coal to natural gas.
Automated systems that would let cars travel
in tight packs would cut drag
and therefore
fuel consumption, greenhouse gas
emissions, highway congestion
and road noise.
To illustrate the beauty of Saab's new engine, which reduces
fuel consumption and carbon dioxide
emissions by 10 percent
and slices other
emissions by as much as 75 percent, the 41 - year - old engineer describes a lone runner jogging full tilt through a misty forest
in his native Sweden.
In theory, if a city or region has policies that encourage biking instead of driving, the researchers should be able to see the change in consumption patterns, with less car fuel consumed and fewer vehicles overall and a drop in consumption - based transport emissions, she sai
In theory, if a city or region has policies that encourage biking instead of driving, the researchers should be able to see the change
in consumption patterns, with less car fuel consumed and fewer vehicles overall and a drop in consumption - based transport emissions, she sai
in consumption patterns, with less car
fuel consumed
and fewer vehicles overall
and a drop
in consumption - based transport emissions, she sai
in consumption - based transport
emissions, she said.
Other similar billion - ton savings
in emissions (what Princeton University professors Stephen Pacala
and Robert Socolow have dubbed «stabilization wedges») are desperately needed
and can come only from reduction
in fossil -
fuel consumption through energy efficiency, low - carbon technologies
and changes
in way of life.
The U.S. saw a period of rapid economic growth
and increased
consumption of fossil
fuels over the last few decades, leading to a corresponding large increase
in carbon dioxide
emissions.
The government's review of the UK energy supply published today (26 / July) highlights the dreadful performance of wind power, with over 1830 turbines with combined capacity of 2GW reducing
fuel consumption in (
and emissions from) UK power stations by tiny
and irrelevant fraction of one per cent.
The auto industry needs to have a rethink: having turned out ever heavier cars year on year,
in future vehicles will have to be lighter with lower
fuel consumption and CO2
emissions.
The announcement flew
in the face of established economic wisdom, which has long assumed that economic growth is inextricably linked to rising fossil
fuel consumption and with it, rising climate - changing carbon dioxide
emissions.
Reduced
fuel consumption in homes
and industry was responsible for an additional 12 % of the overall
emissions reductions.
Coal - to - liquid
fuels with carbon capture
and storage could replace about 15 — 20 % of current
fuel consumption in the transportation sector (2 — 3 million barrels per day; the lower estimate holds if coal is also used to produce coal -
and - biomass - to - liquid
fuels)
and would have lifecycle CO2
emissions similar to petroleum - based
fuels.
Realizing such a major
emissions cut would require further efficiency improvements
in fuel consumption and, especially, the promotion of public transport
in cities, alongside a large - scale shift to electric cars.
Autoblog adds, «The study suggests that the increase
in hybrid vehicle sales will be influenced by such factors such as increased pressure from government agencies to reduce
fuel consumption and overall vehicle
emissions, as well as a drastic reduction
in the cost of hybrid technology.»
to consider should be the following: 1) the elimination or reduction of
emissions of greenhouse gases; 2) increase of basic sanitation services provided to the population; 3) the elimination or reduction of deforestation
and burning of forests; 4) reduction
in the
consumption of fossil
fuels; 5) increase of the share of renewable energy
in the energy mix; 6) the elimination or reduction of land pollution, air, ocean
and water; 7) increase of energy efficiency or energy saving
in agriculture, industry
and transportation
in general;
and 8) increase of recycling of materials.
The standard of environmental performance required to consider should be the following: 1) the elimination or reduction of
emissions of greenhouse gases; 2) increase of basic sanitation services provided to the population; 3) the elimination or reduction of deforestation
and burning of forests; 4) reduction
in the
consumption of fossil
fuels; 5) increase of the share of renewable energy
in the energy mix; 6) the elimination or reduction of land pollution, air, ocean
and water; 7) increase of energy efficiency or energy saving
in agriculture, industry
and transportation
in general;
and 8) increase of recycling of materials.
For example, when the standards are fully phased
in, tractors
in a tractor - trailer will achieve up to 25 percent lower CO2
emissions and fuel consumption than an equivalent tractor
in 2018.
The current
fuel consumption and emissions test that car makers self - certify against — the NEDC (New European Driving Cycle)-- was designed
in the 1980s
and does not reflect
fuel economy figures
and emissions in real - world use.
Compare that with the 3 - litre V6 Macan S, with 340bhp
and 339 lb ft,
and it shows 103bhp
and 81 lb ft are sacrificed
in favour of 20 per cent decreases
in fuel consumption and CO2
emissions, the 2 - litre Macan offering up 39mpg
and 168g / km.
At a time when the world's economy is
in shambles
and fuel consumption and CO2
emissions are on everyone's minds, there remains only one car that ticks all the enthusiast boxes without setting off a single wretched - excess alarm.
So while it's identical to the Gallardo's engine
in size, ten - cylinder layout
and natural aspiration, its power
and torque figures are much higher while
fuel consumption and CO2
emission figures decrease.
The plan assessed various alternative
fuels and developed
fuel portfolios to meet California's goals to reduce petroleum
consumption, increase alternative
fuels use, reduce greenhouse gas
emissions and increase
in - state production of biofuels, without causing a significant degradation of public health
and environmental quality.
Lastly, for vocational vehicles, the agencies are proposing engine
and vehicle standards starting
in the 2014 model year which would achieve up to a 10 percent reduction
in fuel consumption and CO2
emissions by 2018 model year.
All engines deliver both
fuel consumption improvements
and CO2 reduction benefits over their predecessors —
and, since diesel cleanliness has been
in the headlines a lot this year, it should be noted that all A4s, both petrol
and diesel, meet stringent Euro 6
emissions regulations.
For combination tractors, the agencies are proposing engine
and vehicle standards that begin
in the 2014 model year
and achieve up to a 20 percent reduction
in CO2
emissions and fuel consumption by 2018 model year.
With a
fuel consumption of 8.4 litres per 100 km
and CO2
emissions of 199 grams per kilometre (NEDC combined), the naturally - aspirated AMG V8 engine comes
in at or below the level of its competitors, however these are unable to match either the output or torque of the SLK 55 AMG —
and above all, they do not use large - displacement eight - cylinder engines.
A BMW 3 Series with the
fuel consumption of a small car: Thanks to BMW eDrive technology from BMW EfficientDynamics, a range of up to 37 kilometres is possible
in the purely electric mode — with zero local
emissions and zero
fuel consumption.
Unfortunately, GM dropped the rotary due to insurmountable
emissions and fuel -
consumption problems, so AMC instead installed its own
in - line six - cylinder engines.
The
fuel consumption, CO2
emissions, power
consumption and operating range figures were determined according to the European Regulation (EC) 715/2007
in the version applicable.
Further information on official
fuel consumption figures
and the official specific CO2
emissions of new passenger cars can be found
in the «Guide on the
fuel economy, CO2
emissions and power
consumption of new passenger car models», which is available free of charge at all sales dealerships
and from DAT Deutsche Automobil Treuhand GmbH, Hellmuth - Hirth - Str.
Fuel consumption has been improved to just short of 40 mpg
in normal city driving,
and carbon dioxide
emissions have also been cut.
It's enough, though, to bring claimed CO2
emissions and fuel consumption to a level far superior to conventional petrol models
in the range.
Audi A6 Sedan: Combined
fuel consumption in l / 100 km: 7.1 — 5.5 (33.1 — 42.8 mpg); Combined CO2 emissions in g / km: 161 — 142 (259.1 — 228.5 g / mi) Fuel consumption and CO2 emission figures given in ranges depending on the tires / wheels
fuel consumption in l / 100 km: 7.1 — 5.5 (33.1 — 42.8 mpg); Combined CO2
emissions in g / km: 161 — 142 (259.1 — 228.5 g / mi)
Fuel consumption and CO2 emission figures given in ranges depending on the tires / wheels
Fuel consumption and CO2
emission figures given
in ranges depending on the tires / wheels used
This
in turn boosts performance
and reduces
fuel consumption whilst ensuring that current
emission limits are respected.