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UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy

Green Car Congress

compact, quiet-running 650cc 2-cylinder engine replaces the previous 2.4L The smaller engine will improve fuel economy, however.

2016 44

Mazda to launch homogeneous-charge compression engine next year

Green Car Reports

The differences between gasoline and diesel engines lie not only in their fuels, but in how those fuels are ignited. Gasoline engines use spark plugs, while diesels simply use compression. But it is possible to ignite gasoline in an internal-combustion engine with compression, as in a diesel. HCCI Fuel Economy

2017 33

Infiniti plans VC-T engine with variable compression ratio

Green Car Reports

While significant attention is being paid to battery-electric and hydrogen fuel-cell powertrains, carmakers are still trying to wring more efficiency out of internal-combustion engines. Engines Fuel EconomyThe Nissan luxury brand is set to.

Diesels Still Needed For Truck Fuel Economy Despite VW Scandal: Advocate

Green Car Reports

He's executive director of the Diesel Technology Forum, a non-profit organization dedicated to raising awareness about the importance of diesel engines, fuel, and technology. pickup VW CAFE Corporate Average Fuel Economy Truck Volkswagen diesel scandalAllen Schaeffer probably doesn't have the easiest job these days.

2016 43

2016 Ram 1500 HFE EcoDiesel fuel-economy review: 24-mpg full-size pickup truck

Green Car Reports

You might view it as this decade's version of the Camaros, Mustangs, and Mopars that emerged in earlier days from back-corner "skunkworks" engineering groups at each Detroit automaker. Fuel Economy EcoDiesel Ram 1500 EcoDieselHow so, you ask? This Ram isn't.

2016 32

Mazda Predicts Further 30-Percent Efficiency Gain For Next SkyActiv Engines

Green Car Reports

While other manufacturers have turned to turbocharging and hybrids to boost fuel economy, Mazda has tried to squeeze the most it can out of unassisted internal-combustion engines. The company's SkyActiv line of efficiency-focused engines rely solely on tuning and some technical tricks to maximize gas mileage.

2015 23

DARPA awards LiquidPiston $2.5M to advance further X4 rotary engine prototype

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million to continue development of a new, patented, high-efficiency, lighter-weight rotary engine. Engines Fuel EfficiencyEarlier post.).

2016 46

Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

Green Car Congress

six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions. feet). —Fabien Redon.

2017 46

Will Fuel Economy Rules Require Future Cars To Use Premium Gas?

Green Car Reports

Carmakers are pursuing continual fuel-economy gains to meet the Corporate Average Fuel Economy (CAFE) standard of 54.5 Their engineers work to squeeze every last bit of efficient from cars and trucks, but so far there's been little consideration of the fuel itself. Some efficiency-focused upgrades to standard gasoline engines.

MPG 24

2016 Land Rover Range Rover Sport HSE Td6: fuel economy review of luxury diesel SUV

Green Car Reports

Buyer expectations of a silent, refined driving experience traditionally kept diesel engines out of the upper echelons of the automotive market, but times have definitely changed. Fuel EconomyWitness the major expansion by Jaguar Land Rover to offer American buyers a 3.0-liter turbo diesel V-6 in a large number of car and SUV models.

2016 20

SAE REX: PHEVs and REEVs could open door for advanced combustion regime engines

Green Car Congress

In his introductory keynote, Michael Berube, Vehicle Technologies Office Director, Office of Energy Efficiency and Renewable Energy, noted the importance of both engine and fuel technology in a PHEV scenario. But to do that, we need to think about the engine. The focus is what fuel properties maximize engine perfromance. UDDS).

2016 35

2017 Audi A3 replaces 1.8L with Millerized 2.0L TFSI; better fuel economy, power and torque

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The A3 sedan with 2.0-liter engine replaces the 1.8-liter engine previously offered on A3 front-wheel drive models. improvement). The 2.0T

2016 23

Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

Green Car Congress

    Performance of the new ESTEC engine (1NR-FKE) compared to the current 1NR-FE engine applied in the Yaris. Engines Fuel Efficiency

Electrification, sure, but gasoline engines will endure: supplier

Green Car Reports

Increasingly stiff limits on carbon emission and minimum fuel economy in most of the world's car markets mean that more plug-in electric cars must be sold. Green 48-Volt mild hybrid Future Cars diesel particulate filter (DPF) gasoline engines parts suppliers start-stop system

Ford Engine Power, MPG Figures Tested Using Different Fuels

Green Car Reports

Most buyers likely assume that the conditions for rating a new car's fuel economy and engine performance are identical. For at least one carmaker--Ford--and possibly others as well, that turns out not to be the case: Different gasoline formulations are used to test gas mileage than are used for engine.

2015 23

Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

Green Car Congress

Testing was also conducted at the DTNA Detroit engineering facility to demonstrate engine efficiency by achieving 50.2% Click to enlarge.

2015 66

Pinnacle’s opposed-piston scooter engine can meet NOx target with lean operation and ignition delay; little fuel economy hit

Green Car Congress

For the target market (the Asian scooter market), the low NO x capability of the Pinnacle engine provides a significant cost benefit to manufacturers. Our engines historically have run from 50-80% dilution tolerance at the 4,000 rpm speed relevant to the drive cycle, so the NO x emissions have been quite attractive. Resources.

2013 23

Infiniti variable-compression engine: more complexity, incremental gains

Green Car Reports

To meet stricter global emissions standards, carmakers are trying to squeeze every last bit of efficiency out of internal-combustion engines. That has led Infiniti to turn to a technology engineers have toyed with for some time, one that so far hasn't been used in production cars. Engines Fuel Economy Paris Motor Show

New SwRI consortium to target advances in gasoline and diesel engine aluminum cylinder head designs

Green Car Congress

The Aluminum Head Evaluation, Analysis, and Durability ( AHEAD ) consortium seeks to reduce the weight while improving the durability of aluminum cylinder heads—an increasingly important need as materials and components are pushed to their limits in modern engines. Engines Powertrain materials Weight reductionCasting processes.

2016 41

Infiniti introducing production-ready variable compression ratio engine at Paris Motor Show

Green Car Congress

Infiniti said that the new four-cylinder turbocharged gasoline VC-T engine has been in development for more than 20 years. Earlier post.).

2016 33

Ford Applies Cylinder Deactivation Even To 3-Cylinder Engines For Fuel Efficiency

Green Car Reports

Cylinder deactivation can help boost the fuel economy of a car or truck by shutting down some of its engine's cylinders under light loads. But what happens when engineers try to add that feature to an engine that doesn't have that many cylinders to start with? EcoBoost Fuel Economy Three Cylinder Cylinder Deactivation

2015 23

MAHLE Jet Ignition for Ferrari F1 as well as sub-200 g/kWh BSFC in light-duty engine; on-road and stationary applications

Green Car Congress

10-20% increase in fuel economy (mpg) is expected when compared to current production gasoline engines. Earlier post , ( Earlier post.).

2016 46

Mercedes-Benz powering ahead with €3B strategic engine initiative; increasing electrification, 48V; diesel and gasoline; cylinder deactivation

Green Car Congress

billion) in its strategic engine initiative. The new six-cylinder in-line gasoline engine M 256 features a 48 V electrical system.

2016 34

Select truck fleets boosted fuel economy 3% in 2015 compared to national Class 8 average

Green Car Congress

Seventeen trucking fleets operating more than 62,000 tractors and 217,000 trailers recorded a 3% increase in fuel economy in 2015, saving an accumulative $501 million on fuel when compared to the 2015 national average fuel spend of 1.7 million over-the-road class 8 trucks. Investing in efficiency technologies is the new normal.

2016 29

Fuel-Efficient Four-Cylinder Engine Key To 2016 Ford Mustang Sales Success

Green Car Reports

Last year, a new generation of Ford Mustang launched, featuring the model's first four-cylinder engine since 1993. The 2016 Mustang is currently the best-selling muscle car, and the EcoBoost engine reportedly accounts for a significant. Green EcoBoost Fuel Economy Millennials

2015 23

Nissan improves Pathfinder fuel economy by 30 per cent

Green Cars News

The vehicle boasts an improvement in fuel economy of 30 per cent thanks to a host of innovations including: an aerodynamic design; reduced engine friction; next-generation Xtronic CVT; and a 500lb weight reduction. Green cars Latest news Nissan fuel economy green cars Nissan PathfinderEach new Nissan Pathfinder [.].

DLR working with Yamaha on thermoelectric generators for vehicles; seeking 3-5% gain in fuel economy

Green Car Congress

The engineers therefore had to resort to modules that were not specially designed for this purpose. Prototype thermoelectric module. Resources.

2017 20

Achates OPGCI project targeting 50% fuel efficiency gains over downsized GDI engine at reduced cost

Green Car Congress

Conceptual image of a possible multi-cylinder OPGCI engine. It could also be the first of a family of OPGCI engines spanning 1.0 to 4.0L

2015 39

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

Cost of the new engine relative to gasoline baseline. Diesel Emissions Engines Fuel Efficiency Earlier post.). Source: Cummins. Chen, H.,

2014 32

FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Green Car Congress

An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% configuration of the engine. mpg US (6.3

Nissan introduces series-hybrid powertrain with Note e-POWER in Japan; small pack, small engine, LEAF motor, low price

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The engine is the 1.2-liter, three-cylinder HR12DE. Unlike a full EV, the power source originates from the engine and not just the battery.

2016 58

Honda boosts motorcycle fuel economy

Green Cars News

Honda’s efforts to reduce emissions and improve fuel economy go beyond its motor vehicles – they also stretch to its motorcycles, with the company developing new 700cc and 125cc engines with an accompanying second-generation Dual Clutch Transmission.

Start-stop systems to be standard on all GM vehicles by 2020

Green Car Reports

General Motors is about to commit to engine start-stop systems in a big way. Start-stop systems—which shut off the engine while a car is stationary to save fuel—are already available on numerous models from multiple manufacturers. General Motors stop/start CAFE Fuel Economy start-stop system Corporate Average Fuel Economy

2016 28

Caterpillar and Argonne’s VERIFI undertake cooperative virtual engine design, control project; first VERIFI CRADA

Green Car Congress

This video shows what VERIFI believes is the largest diesel engine combustion simulation ever performed. Caterpillar Inc.

2014 46

Next Audi Q7 To Launch Electric Turbocharger For Better Fuel Economy

Green Car Reports

Using electric power to run accessories like power steering lets engineers remove power-sapping accessory drives from engines--and soon, it will even help those engines produce more power from combustion as well. Electric motors can improve the fuel efficiency of a car--even if they''re not driving the wheels.

SUV 40

Porsche diesel achieves remarkable fuel economy

Green Cars News

Think Porsche and you probably don’t think fuel economy – however, while few buyers will reach for the new Porsche Panamera Gran Turismo because of its green credentials, there is no denying its achievements. The vehicle, which includes a 3.0litre diesel engine, consumes 37.3mpg and produces 167g/km of CO2 with optional low friction tyres.

Toyota’s second turbocharged gasoline engine now available in Auris in Japan; 36% thermal efficiency

Green Car Congress

Toyota announced the new engine in March at the Geneva Motor Show. Engines Fuel Efficiency Earlier post.) Earlier post.). Source: Toyota.

2015 34

Fiat Chrysler to offer 4-cylinder turbo four to boost fuel economy

Green Car Reports

You'd expect an engine named Hurricane to be fairly powerful. And Fiat Chrysler Automobiles (FCA) has dropped hints that it would launch a new 2.0-liter 4-cylinder engine since as far back as 2013. Now it appears that engine is getting closer to production—and could boast nearly 300 horsepower.

ICCT update finds real-world vehicle fuel economy gap continues to widen in Europe to 40%

Green Car Congress

Earlier post.). technical definition of real-world driving is elusive because of variations in vehicle types, driving behavior, and driving conditions.

2015 34

Next-Gen Cylinder Deactivation: V-8s Using Two Cylinders, 20 Percent MPG Boost?

Green Car Reports

Cylinder deactivation has become an important tool for squeezing better fuel economy out of larger-displacement engines. It allows engines to shut off fuel supply to some of their cylinders under light loads, effectively cutting displacement when extra power is not needed.

2015 43