Lexus gets a lot of
efficiency out of this engine by using variable - valve timing, on both intake and exhaust, along with a unique injection system that uses port injection for low engine speeds and direct injection when the revs climb.
Similarly, the 6 - liter V - 12 uses four valves per cylinder, but lacks variable valve timing, which would wring more
efficiency out of the engine.
Not exact matches
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 sophistication, power and
efficiency of the internal - combustion
engine continues to improve year - to - year, making prognostications
of the demise
of the ICE
engine seem further and further
out.
This is important for
engine efficiency and getting good power and gas mileage
out of your
engine.
The 2 - liter unit fitted with a single - scroll turbocharger is continually adjusting its compression ratio (in the 8:1 and 14:1 range) thus bringing the best
out of two worlds: the power
of a turbocharged 2 - liter
engine combined with the torque and
efficiency levels seen in a modern four - cylinder diesel.
Employ the ECO mode, which adjusts
engine response and climate control to get you the best fuel
efficiency out of your Rav4.
What makes this
engine stand
out, even more, is the blending
of power,
efficiency, and refinement that gives the Cherokee less vibration, noise, and harshness.
The Laramie Longhorn comes standard with the HEMI V8, but you'll want to check
out the EcoDiesel V6
engine option for the ultimate in fuel
efficiency with oodles
of torque.
Available in both sedan and wagon editions, the Impreza comes with a 2.0 - liter boxer four - cylinder
engine that delivers 148 horsepower and 34 mpg on the highway - proving that one no longer has to give up
efficiency in order to benefit from the added security
of all - wheel drive, making the Impreza one
of the safest and best first cars for teenagers
out there.
Horsepower
of 165 to 170 might not sound like much to anyone who hung
out at the drive - in in the»60s, and the 22 mile - per - gallon EPA city fuel
efficiency available from this small
engine won't impress vets
of the oil embargo.
If the growl or fuel consumption
of a big V - 8 isn't to the buyer's liking, the supercharged Toyota MR2 wrings 145 horsepower
out of a small 1.6 - liter four - cylinder
engine and has an EPA - rated city fuel
efficiency of 23 miles per gallon.
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.
This Class - Exclusive
engine Based on Automotive News Full - size Pickup segmentation delivers 420 lb - ft
of low - end torque and stand -
out fuel
efficiency of up to 8.6 L / 100 km (33 mpg) highway.
RWD 7 - Speed Automatic 4.0 L V8 Awards: * 2017 IIHS Top Safety Pick Reviews: * Balance
of comfort and performance makes it an appealing daily driver; solid fuel
efficiency from the standard four - cylinder
engine; plenty
of room for adult - sized passengers in back; elegant design inside and
out gives it a true luxury appearance.
No word on power or fuel
efficiency on the new
engine, but we hope it's up from the 145 hp currently coming
out of the 1.8 - liter.
While the diesel
engines make more sense from the point
of view
of efficiency, don't rule the 197bhp 2.0 - litre petrol
out unless you have to.
Reviews: daily driver; solid fuel
efficiency from the standard four - cylinder
engine; plenty
of room for adult - sized passengers in back; elegant design inside and
out gives it a true luxury appearance.
New for the Edge is a revised bi-turbo diesel
engine - the 2.0 - liter unit called EcoBlue now puts
out 238 PS (versus the previous 210 PS) and «delivers the power, torque and driving performance
of a larger capacity
engine alongside the optimised fuel -
efficiency and low CO2 emissions synonymous with a smaller
engine capacity.»
The 2018 Accord Hybrid is powered by the third generation
of Honda's innovative two - motor hybrid powertrain, which pairs a 2.0 - liter DOHC i - VTEC ® Atkinson - cycle inline - 4
engine with 40 - percent thermal
efficiency to an electric propulsion motor that churns
out 232 lb. - ft.
However, it's the optional 2.0 - litre turbo - diesel
engine that leads the fuel
efficiency race, pumping
out a healthy 132kW / 400Nm but using fuel at a rate
of just 5.1 L / 100 km in the hatch — less than the Toyota Camry Hybrid (5.2 L / 100 km).
A 3.6 L Pentastar V6
engine is standard, cranking
out up to 305 horsepower and 269 pound - feet
of torque for excellent
efficiency and performance.
That's all going to change next year, however, as AMG ® and Mercedes - Benz are phasing
out those big - displacement
engines in favor
of smaller, forced - induction
engines that should generate at least as much power with significantly better
efficiency.
Replacing the naturally aspirated
engine in the Carrera and Carrera S with a smaller turbocharged unit might improve
efficiency, but it unfortunately removes some
of the theatre
of revving
out a spine - tingling
engine to its limit.
Of course, once you've swallowed the pricetag you need to be able to run the thing week in and week
out, and it's here that the Patrol takes the inevitable
efficiency hit it must for failing to offer a turbo - diesel
engine like the LandCruiser.
This
engine is capable
of cranking
out 250 horsepower and 260 pounds - feet
of torque, and engineers even managed to maintain optimal fuel
efficiency at 33 highway miles per gallon.
HERE»S WHAT I DO N'T LIKE: Loud wind noise (anytime I exceed 40 - 45 mph), makes it hard to hear the radio at normal volume; intrusive road noise, which I corrected by swapping
out the standard Goodyear tires with Continental tires; lackluster acceleration for a V6
engine, CVT tends to lose momentum when you lift your foot off
of the gas pedal — often jerky when accelerating and decelerating while in motion and when accelerating from a dead stop; as mentioned by another reviewer, accelerator hesitates before catching when shifting from reverse to drive; bumps in the road are not well absorbed (the 2016 model may have addressed this issue); no power to windows after you shut off the
engine; no auto door locks; poor V6 fuel
efficiency averaging around 24 MPGs combined; trunk lid's arms and safety feature makes it heavy and sometimes hard to lift open; Infotainment system does understand most voice commands; and Harmon Kardon speakers are sometimes crackly.
The biggest change for the new Expedition can be found under the hood, where it benefits from a 365 horsepower, 3.5 - liter V - 6 that also pushes
out 420 lb - ft
of torque, a huge improvement over the eight - cylinder
engine of old in terms
of both output and
efficiency.
In the
engine bay the GLK - Class starts
out with a 302 horsepower, 3.5 - liter V - 6, but those who prioritize fuel
efficiency can opt for a 2.1 - liter turbodiesel four - cylinder motor that delivers 200 horsepower and 369 lb - ft
of torque while also providing 28 - mpg combined.
Kitted
out with all
of the latest
engine efficiency technologies — direct fuel injection, variable valve timing, and cylinder deactivation — this Corvette makes extraordinary power, and yet delivers an EPA - estimated 17 mpg city and 29 mpg highway.
Out of town, the BMW i8 delivers impressively sporty performance with extreme
efficiency, thanks to the electric motor's power - boosting support for the gasoline
engine.
The progressive roll -
out of a brand new family
of diesel and petrol
engines will be the first step towards setting new
efficiency standards for the entire industry.
Lovers
of diesel
engines may soon have a new best option when it comes to fuel
efficiency (especially given that Volkswagen is more or less
out of the diesel game following its emissions cheating scandal) as Chevrolet turns over its Cruze Hatchback, equipped with an optional 1.6 - liter turbodiesel
engine and a nine - speed automatic transmission, to the EPA for fuel
efficiency testing.
By letting more air in and exhaust
out of each cylinder, the multivalve
engine provides extra power without sacrificing fuel
efficiency.
The 2.3 - liter inline - four gas
engine is optimized for
efficiency with the Atkinson combustion cycle, which lowers the effective displacement
of the
engine by letting a bit
of the fuel - air mixture
out through the intake valves at the beginning
of compression.
In true «form - follows - function» fashion, the ALPINA front integrates the fresh - air requirements
of the transmission and
engine oil coolers, which are separated
out of the main cooler module for improved
efficiency.
-- Turbocharges that squeeze optimum performance
out of small
engines without sacrificing fuel
efficiency.
By letting more air in and exhaust
out of each cylinder, the multivalve
engine provides extra power without much sacrificing
of fuel
efficiency.
Its new
engine architecture allows for more
efficiency and even more power than ever before, while a vast array
of standard luxury and safety features round
out the world's most revered sports car.
In addition to squeezing about 30 more hp
out of the four - and six - cylinder
engines, Toyota is putting a new eight - speed automatic in the gasoline Camrys, with snappier shifts and better fuel
efficiency.
Nissan is not pushing any
efficiency technologies, still relying on variable valve timing to get 260 horsepower and 240 pound - feet
of torque
out of the
engine.
Malibu Hybrid comes with a 1.8 L hybrid
engine offering 4.8 L / 100 km city1 fuel consumption rating and hybrid - exclusive features like the Driver
Efficiency Gauge — which provides feedback on how your driving habits affect fuel economy — to help you get the most
out of every litre.
It was then used to power very big and inefficient steam
engines that pumped water
out of mines; when James Watt developed his steam
engine that used 75 percent less coal than the Newcomen
engine it replaced, the common thinking was that the increased
efficiency meant that they would burn less coal.
For example there isn't much more we can expect from internal combustion
engines; we have to reduce the weight
of the vehicle and make them aerodynamic to get any more
efficiency out of automobiles.
Faster combustion allows the
engine to get more work
out of a given amount
of fuel, improving
efficiency.
The range
of measures here is quite great; for example,
engine efficiency can be improved by three different kinds
of measures, increasing thermodynamic
efficiency, reducing frictional losses and reducing pumping losses (these losses are the energy needed to pump air and fuel into the cylinders and push
out the exhaust) and each kind
of measure can be addressed by a great number
of design, material and technology changes.
As it turns
out this lowers the latent heat capacity so much you can't get anywhere near the
efficiency of choosing a higher boiling point which was an object lesson for me in why steam
engines run at very high temperatures.
Volkswagen's Fuel
Efficiency Strategy While waiting for the hybrid to come out, VW said that it would rely on more downsizing and use of the anti-idling stop / start technology (which shuts down the engine when the car comes to a stop, reducing wasted fuel) to meet its fuel efficienc
Efficiency Strategy While waiting for the hybrid to come
out, VW said that it would rely on more downsizing and use
of the anti-idling stop / start technology (which shuts down the
engine when the car comes to a stop, reducing wasted fuel) to meet its fuel
efficiencyefficiency targets.
The «FTX» truck is powered by a V8 hybrid gas - electric
engine that pumps
out loads
of torque while delivering V6 fuel
efficiency.
Its
engine gives power with more
efficiency churning
out 8 bhp and 8.74 nm
of torque.