U.S. consumers will have the option of a TDI engine in Audi AG's next - generation A4 sedan, the automaker said today, expanding a campaign to sell
more diesel engines in the United States.A new version...
It had improved safety features and a significantly stiffer body, as well
more diesel engine choices, but the B4 was essentially a refresh of the B3 Passat rather than an all - new model.
Not exact matches
The most powerful
diesel engine in the world is designed by a Finnish company, Wärtsilä, and it can do
more than you can imagine.
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.
Diesel technology in the United States today has also been transformed, and stringent emissions standards set by EPA in 1999 have made
diesel engines more than 90 percent cleaner.
Modern
diesel vehicles have adopted new standards and are now very clean, so attention needs to now turn to regulating on - road and off - road gasoline
engines more.
Even the oil sands ultimate consumption in a gasoline,
diesel or jet
engine only results in 500 kilograms of CO2 - equivalent per barrel of refined petroleum products, meaning total oil sands emissions from well to wheel are considerably lower than those of this nation's
more than 500 power plants burning coal to generate electricity.
Manufacturers of heavy - duty
diesel engines have slashed emissions from new
engines by
more than 90 percent for most pollutants, according to a study released yesterday.
More than 50,000 high - polluting
diesel engines have been cleaned up or removed from U.S. roads in a federal program
«This process is 10 percent to 15 percent
more efficient than the best commercial
diesel engines, which are the most efficient internal combustion
engines,» Reitz says.
Automakers are already phasing in particle traps that cut tailpipe emissions from
diesel engines by 90 percent or
more.
If you usually use your car for long stretches on the highway, an efficient gas
engine — or better yet, modern
diesel engine — may be even
more eco-friendly than the hybrid.
For example, European Union standards favoring fuel - efficient
diesel cars over gasoline cars may lead to
more warming, because
diesel engines release 40 to 250 times as much soot as gasoline
engines.
So it's like a
diesel engine, except a billion times
more efficient!
«However, the continuing problem demonstrates that
more remains to be done, especially in cleaning up coal - fired power plants and existing
diesel engines.»
Engines that run on
diesel fuel are inherently
more fuel - efficient than their gasoline counterparts.
Diesel engines burn their fuel
more efficiently compared to their gasoline counterparts — and thus emit considerably lower quantities of the greenhouse gas carbon dioxide (CO2)-- mainly because
diesel engines work with excess air in so - called lean - burn mode.
Highly turbocharged alcohol - fueled direct - injection spark - ignition (DISI)
engines operated at a high compression ratio could be as or
more efficient than
diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.
Dr. Peden has written or contributed to
more than 160 peer - reviewed scientific publications on the kinetics and mechanisms of automobile exhaust catalysis; the development of zeolite catalysts for
diesel engine emission control; hydrocarbon reforming over bimetallic catalysts; the structure of hydroprocessing catalysts; the development of novel, supported solid acid catalysts for petroleum refining; the growth and properties of oxide and semiconductor thin films; and model studies of adhesion at metal / metal - oxide interfaces.
From
diesel engines to electric drives, from alternative fuels to control software, from transmissions to batteries, we have been working in partnership with companies all over the world for
more than 60 years.
However, on average a
diesel engine tends to be between 30 % to 40 %
more eficient in fuel consumption than its equivelant
engine size petrol counterpart, therefore, per km the
diesel engine will emit less.
The new
diesel engines are stiffer,
more compact, and 45 - 65 lbs lighter than the outgoing
diesels.
«It has a very strong
engine, but it's coarse, with
more idle noise than a good
diesel.»
There's a little
more diesel clatter coming through the cabin in the X5 than an Audi Q7 TDI, but the
engine is still far quieter than most consumers would expect from a
diesel.
After reading
more about
diesel oil changes I'm convinced that in
diesel engines oil gets dark soon after change.
There are also new
diesel engines, including the 2.0 - liter EA288 four - cylinder, and a
more powerful, twin - turbo version of the same
engine that makes 236 hp and comes equipped with 4Motion all - wheel drive.
The
diesel was also stout coming off corners, where the luxury of 300 lb - ft of torque allowed me to out - drag
more powerful cars, at least until their
engines were fully wound up.
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.
Unsurprisingly the
diesels and petrol
engines deliver different experiences, those TDIs are all about low and mid range grunt, the TFSI petrol units being faster and freer revving and demanding
more work to extract their best.
On sale Early 2013 Price $ 28,000 - $ 35,000 (est.)
Engines 2.5 L I - 5, 170 hp, 177 lb - ft; 2.0 L turbo -
diesel I - 4, 140 hp, 236 lb - ft; 2.0 L turbo I - 4, 200 hp, 207 lb - ft Because It's even
more huggable.
With 235bhp from 4800 - 5600rpm and 258 lb ft from 1650rpm the new
engine's performance has no close equivalents in the crossover class —
diesel rivals from BMW and Mercedes produce less power but
more torque, and few rivals offer petrol variants with similar specifications.
BMW only offers a
diesel engine in its X3 and, again, although it starts at a low # 34,845, you'll need to fork out
more to match the Stelvio.
Despite utilising power from a turbocharged 2 - litre
diesel engine producing significantly less power — it peaks at 187bhp — the arrival of 295 lb ft of torque from just 1750rpm gives the BMW enough punch to worry a supercar worth
more than four times its list value.
Note: you can notice this
more predominantly on
diesel engine since they have
more torque this is much
more noticeable, you can drive them without pressing the accelerator basically.
I was thinking
more on the lines of gas
engines, but you're right about the need for higher compression ranges for
diesel engines.
Since GM partnered with BMW and the former DaimlerChrysler to develop Two - Mode for front -, rear -, and four - wheel - drive applications with gasoline and
diesel engines, you'll see it in
more cars, pickups, SUVs, and crossover applications.
For the # 16,430 SEAT it's a
diesel's high thermal efficiency, allowing an official 61.4 «combined» mpg and 123g / km (
diesel produces
more CO2 per volume unit burnt than petrol does), while for the # 20,660 Volkswagen it's the use of forced induction on a downsized
engine resulting in official figures of 42.8 mpg and 154g / km.
For 2010, the front - wheel - drive A3 receives an optional
diesel engine, which promises
more than 40 mpg on the highway.
For truck buyers who need to tow
more than 20,000 pounds, there are the 2500HD and 3500HD heavy - duty versions of the Silverado that are available with a 6.6 - liter Duramax
diesel engine.
You may have
more than one pump and / or filter, as some
diesel cars have a low - pressure pump in the tank and a high - pressure one near the
engine.
The fourth - generation of Chevy's number one truck gets a bolder look, lighter platform,
more tech — but not enough to scare the old timers — and six powertrain options including a new inline - six turbo -
diesel engine.
The MKC offers a
more powerful gas
engine option, and the Q5 has upgraded gasoline and
diesel engines available.
From then on there were the also the 0.9, 1.0, 1.2 lt turbo
engines by most carmakers but since the emissions tests are now going to be based on real life conditions and not lab conditions, even those displacements apart from the
diesel ones will prove to pollute
more than what is claimed and as such, especially in the non-turbo small petrol
engines the only way to meet the emissions is to upsize in order also to maintain and improve performance.
However, the 148bhp
diesel puts out 67 lb ft
more torque at 251 lb ft.. Then there is a 2 - litre TFSI petrol
engine with 187bhp, but that won't be available until next year.
Petrol /
diesel engines are outdated in about the same way as books, theatre, steaks or good wine - there are so many cheaper, simpler,
more accessible or user - friendly alternatives, but life without them would suck.
Closest is the A160 which does indeed use a 1.6 - litre
engine, but the
diesel A180d has a 1.5 - litre unit, the A180 a
more potent petrol 1.6, the A200d a 2.1 - litre
diesel and the A200 features the 1.6 - litre from the A160 and A180, tuned for yet
more power.
Next in line to further decrease CO2 form cars come downsized turbo GDI (gas direct injection)
engines and they emit much
more ultrafine particles and NOX than regular natural aspirated
engines with PFI (port fuel injection) and even
more than some Euro6
diesels with particle filter.
At low revs, there is
more cabin noise from the
diesel engine than you might expect, but once up and running, refinement levels are supreme and easily on par with a
diesel -
engined Mercedes S - class.
Downsizing was first introduced with VAG and Peugeot 1.4 lt turbo
engines which replaced the 1.6, 1.8 and in some cases the 2.0 lt petrol
engines, with less emissions and
more power and torque, something that they had to do in order to compete also with the smaller
diesel engines.
News report (here and here and lots
more can be found that two guys drove Ford Mondeo Econetic with 1,6 liters
diesel engine and got fuel consumption of about 3 liters per 100 kilometers.