The electric motor has been downsized slightly and the gas
engine gains efficiency at the expense of a little top - end power.
Not exact matches
In
gaining fuel
efficiency, ion
engines sacrifice thrust, the ability to deliver strong acceleration.
The
efficiency gains from using ultrahigh temperature materials in gas turbines and jet
engines could have a real impact on CO2 emissions and global warming.»
«The EEA looks towards a future transition of the mobility system beyond making
efficiency gains in internal combustion
engine technology.»
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.
In general, diesels offer up to 30 %
efficiency gains relative to comparably sized gasoline
engines.
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.
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.
The 2018 RAV4 will also include a 2.5 - liter four - cylinder
engine capable of 176 horsepower as well as a unique hybrid model that can achieve impressive fuel
efficiency gains.
The 1.6 - liter EcoBoost
engine also features other fuel - saving powertrain technologies such as Assisted Direct Start (start - stop), which contributes to an additional 3 %
gain in fuel
efficiency.
The hatchback was announced with four petrol and three diesel
engines, with fuel
efficiency gains of about 17 percent compared to the older model that was sold in India.
Not all of the
efficiency gains were due to
engine upgrades; the Kia - built, 6 - speed automatic transmission (a manual is available) deserves some of the credit.
Its 1.3 - litre, four - cylinder, turbo - diesel
engine makes the same power and torque as on the old car (75hp and 190Nm), but with gearing being significantly taller here (the final drive is different) in the interest of
efficiency, there are no performance
gains borne out of the weight reduction.
The new Kappa HEV
engine alone delivers a 3 %
gain in fuel economy through three stages: gas extracted upstream ensures more than 20 % EGR rate, the EGR cooler delivers a cooling
efficiency of 98 % and the single stage gear EGR valve results in a 56.9 millisecond response time.
Regardless of whether Mazda offers a SkyActiv - G turbocharged
engine in the 2018 Mazda CX - 5, the 2.5 - liter SkyActiv - G naturally aspirated
engine should continue serving, albeit with some performance and
efficiency gains.
What
efficiency you
gain in being able to pick any
engine speed, you lose in frictional / parasitic losses.
The introduction of two new
engines to the A5 range delivers outstanding
efficiency gains of up to 18 percent.
Kia takes a jump ahead of the minivan competition by fitting the Sedona's 3.3 - liter V - 6
engine with direct injection,
gaining efficiency and the ability to downsize the displacement from the typical 3.5 - liter
engine found in the segment.
On those journeys where we engaged the X4's Eco Pro mode, which includes a coasting and regenerative braking system to maximise
efficiency from the
engine, we were able to see real
gains demonstrated in kilometres through the driver display.
Its 2.0 - liter Dynamic - Force direct - injection inline four - cylinder
engine (M20A - FKS) adopts the latest in Toyota technology and structural efficacies for
gains in power, fuel
efficiency, and cleaner emissions.
Unless there is a huge
gain in
efficiency, the Nissan variable compression
engine makes no sense to me either.
The
engine should yield fuel
efficiency gains of more than 50 % compared to a downsized, turbo - charged gasoline direct injection
engine, while reducing the... Read more →
This
engine produces 170 hp and 175 lb - ft of torque — a carryover from the outgoing model — with the latest version of the CVT achieving a 40 percent reduction in friction loss, as well as
gaining a wider gear ratio and greater
efficiency compared to earlier units.
It would be informative to know from Nissan more about the thermal
efficiency gain for this
engine over similar
engines - for the city and highway cycles.
Polestar, Volvo's racing and performance division, is widely recognized for their ability to develop dramatic horsepower and torque
gains in turbocharged
engines, while maintaining peak fuel
efficiency.
The thirty - five years of experience we've
gained in the field of turbocharging are manifested in this
engine's unique combination of maximum performance, dynamism, and fuel
efficiency.»
Engine efficiency alone will only
gain around 10 % on the highway, don't expect miracles from less drag and rolling resistance.
«While there was a 1.8 TFSI
engine in the former Audi TT line - up, the new 2.0 TFSI
engine brought both power and
efficiency gains when it arrived in the all - new third - generation TT,» Goult was quoted saying in a press release issued today.
For the first time in a Commodore, there will be no rear - wheel drive, no V8 and no ute, and lesser models will come with 2.0 - litre four - cylinder turbo diesel and petrol
engines driving the front wheels via an eight - speed auto, which should bring big
efficiency gains.
The Honda system provides fuel
efficiency gains principally through running a smaller - capacity internal - combustion
engine and relying on the supplemental power from the electric motor to enhance performance, on those occasions when required.
3.8 - liter Direct Injection Lambda V6
engine All 3.8 - liter
engines will be coupled to an in - house - developed eight - speed transmission with SHIFTRONIC and precisely calibrated gear ratios for an overall transmission
efficiency gain of six percent.
The goal of performance exhaust headers is mainly to decrease flow resistance (back pressure), and to increase the volumetric
efficiency of an
engine, resulting in a
gain in power output.
This ambition has inspired even more power from the new four - cylinder
engine in the MINI John Cooper Works Countryman, as well as ensuring further
gains in
efficiency.
Both
engines bring increases in power and
efficiency over the outgoing models, with the 2.0 - liter
gaining 26 horsepower over the V6.
New Direct Injection for Higher Performance and
Efficiency A revised version of the FB 2.0 - liter 4 - cylinder Boxer
engine gains direct fuel injection and other enhancements to boost both performance (now 152 horsepower vs. 148 before) and drivability.
«CNG vehicles still rely on internal combustion
engine technology, which is less efficient in fuel requirements than electric vehicles, whose
engines gain energy from braking and have higher operational
efficiency,» the executive summary states.
From the article: «CNG vehicles still rely on internal combustion
engine technology, which is less efficient in fuel requirements than electric vehicles, whose
engines gain energy from braking and have higher operational
efficiency,» the executive summary states.
In the chapter, «If it isn't boring, it isn't green,» on page 290 he starts a new section by saying «But to get the most
efficiency gains and to make the Energy Internet - smart grid complete requires that one more big piece of the puzzle be put into place — electrifying transportation, and moving as many cars, trucks, buses and trains away from exclusively combustion
engines and into plug - in electric hybrids or plug - in all - electric cars.»
We can wonder, though, if simply down - sizing cars and
engines, using more carbon fibers and advanced materials, improving aerodynamics, reducing rolling resistance in tires, etc, might not be an easier way to
gain efficiency.