DOE: new vehicle fuel economy improved 33% from 1980-2016

Green Car Congress

In the 1990s and early 2000s, fuel economy decreased while vehicle weight increased, and fuel economy has improved nearly every year since 2004.

2017 96

New Illinois law raises speed limit to 70 mph on rural highways

Green Car Congress

Illinois Governor Pat Quinn signed a new law to increase the speed limit from 65 to 70 mph (105 to 113 km/h) on rural four-lane highways, and to lower the limit by five mph for excessive speeding. A study by researchers at Oak Ridge National Laboratory found that increasing a vehicle’s speed from 60 to 70 mph results in an average 14% decrease in fuel economy. Currently, the threshold for penalties is 31 mph over the limit.

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ORNL researchers quantify the effect of increasing highway speed on fuel economy

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Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. It also offers consumer information and advice pertaining to vehicle fuel economy and energy-related issues such as driving tips. Analysis has focused on speeds of 50, 60, 70 and 80 mph. [

2013 138

EPA fuel economy report finds weight and power leveling off, footprint stable

Green Car Congress

EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975. The report found that fuel economy for the US fleet continues to improve. Pickup trucks increased fuel economy by 0.1

2018 88

Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

Green Car Congress

Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Engines Fuel Efficiency Vehicle Systems

2018 113

Ford unveils new Focus; 10% better fuel economy; focus on tech; gasoline and diesel

Green Car Congress

The new Focus features a broad suite of Ford advanced driver assistance technologies and advanced EcoBoost gasoline and EcoBlue diesel engines offering a 10% fuel-efficiency improvement across the range. Additional underbody shielding for the central tunnel, fuel tank and rear axle.

2018 90

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

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This new 2.0-liter engine offers an increase of 16 hp and 21 lb-ft of torque compared to the previous generation A3 1.8T, along with EPA-estimated combined cycle fuel economy of 29 mpg (8.1 TFSI leads to more engine work delivered at the same rate of fuel consumption.

2016 104

GM to introduce strong hybrid version of Malibu; combined fuel economy above 45 mpg; leverages Volt

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Using technology from the 2016 Chevrolet Volt propulsion system ( earlier post ), Malibu Hybrid will offer an estimated combined fuel economy rating exceeding 45 mpg (5.22 EGHR improves engine warm up and assures consistent fuel economy performance in cold weather.

2015 126

ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

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Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. The compact sedan, a 2009 Toyota Corolla with a 1.8-liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5 l/100 km) at 60 mph (97 km/h) to 33 mpg (7.1 l/100 km) at 60 mph to 22.9

2014 101

Toyota announces expected fuel economy and pricing for RAV4 Hybrid: 33 mpg combined, entry at $28,370

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The RAV4 Hybrid will accelerate from zero to 60 mph in 8.1 The RAV4 Hybrid offers a choice of several driving modes: ECO mode optimizes throttle response and air conditioning output to help prioritize fuel economy. miles at lower speeds (below approximately 25 mph).

2015 106

New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Green Car Congress

The new sports car can accelerate from 0 to 100 km/h (62 mph) in 7.2 seconds and reaches a top speed of 235 km/h (146 mph). Standard fuel consumption is 4.2 seconds, and on up to an electronically governed top speed of 250 km/h (155 mph). Diesel Fuel Efficiency

2014 131

Ford C-MAX Hybrid EPA-rated at 47 mpg city, 47 mpg highway; plug-in Energi version offers 85 mph top electric speed

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The Ford C-MAX Hybrid ( earlier post ) is now officially EPA-certified at 47 mpg city, 47 mpg highway and 47 mpg combined (5.0L/100km), bettering the fuel economy of the Toyota Prius v by 3 mpg on the city cycle and 7 mpg on the highway (5 mpg combined). We’ve done this with innovation—represented by nearly 500 hybrid patents—while driving costs down 30 percent so we can bring these fuel-saving vehicles to more customers.

2012 102

Consumer Reports testing finds many small turbo engines underperforming; fuel economy, acceleration no better than in larger conventional powertrains

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Consumer Reports’ own fuel economy tests of vehicles equipped with small turbocharged engines has found in many cases that the turbocharged cars tested by CR have slower acceleration and no better fuel economy than the models with larger conventional engines, the organization said.

2013 127

Ford tweaking calibrations to boost on-road fuel economy for MY2013 hybrids

Green Car Congress

Ford is boosting the on-road fuel economy performance of its 2013 model year hybrid vehicles in the US and Canada. Starting in August, the company will make calibration updates for owners at dealerships designed to improve on-road fuel economy of the 2013 Ford C-MAX Hybrid, 2013 Ford Fusion Hybrid and 2013 Lincoln MKZ Hybrid. Combining a “lead foot” with environmental factors can lead to the wide swings in fuel economy results, he said.

2013 93

2013 Nissan Sentra Quick Highway Fuel-Economy Test Drive

Green Car Reports

That means traffic moving at average speeds of anywhere from 60 to 85 mph, with occasional--or more than occasional--snarls that dropped We hadn't driven a 2013 Nissan Sentra, the all-new compact sedan, until last week. And our drive was hardly representative, since we spent the bulk of it in the peculiar world of freeway traffic in Los Angeles.

2013 84

Infiniti Q80 Inspiration concept hybrid delivers 550 hp with 42.8 mpg fuel economy

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The four-door fastback is powered by a hybrid electric powertrain that is expected to deliver 550 hp (410 kW) with fuel consumption of 5.5 Acceleration from 0-60 mph takes less than 4 seconds, and the top speed is limited to 155 mph (250 km/h).

2014 121

2016 Ford Explorer SUV replaces 2.0L EcoBoost with new 2.3L EcoBoost unit; more power and torque, same fuel economy expected

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EcoBoost four-cylinder it replaces, with no compromise in fuel economy anticipated. EcoBoost but with expected same fuel consumption. It improves highway passing times 10% at speeds between 55 mph and 75 mph (89 and 121 km/h).

2014 112

ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

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Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Fuel usage over the drive cycles showed that nearly equal amounts of gasoline and diesel fuel would most likely need to be carried on board for RCCI multi-mode operation, which requires two fuels.

2015 99

New Ford Police Interceptors deliver up to 35% better fuel economy when idling

Green Car Congress

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. And, according to Police Fleet Magazine , the typical police vehicle wastes half a gallon of fuel for each hour it idles.

2012 104

Ford’s math on hybrid fuel economy; standing by the C-MAX EPA ratings, acknowledging large real-world variance

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Raj Nair outlining factors affecting real-world fuel economy in hybrids. Combining a “lead foot” with environmental factors can lead to the wide swings in fuel economy results, he said. Quite a few factors can affect hybrid fuel economy, more so than regular gas engines.

2012 106

New Ford Police Interceptors deliver up to 35% better fuel economy when idling

Green Car Congress

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. And, according to Police Fleet Magazine , the typical police vehicle wastes half a gallon of fuel for each hour it idles.

2012 102

New Porsche 911 Turbo improves fuel economy by 16%

Green Car Congress

The new generation Porsche 911 Turbo and Turbo S, equipped with new advanced engines, PDK transmission, new combined thermal management system for the turbo engine and the transmission, the new Porsche Traction Management (PTM) all-wheel drive system, and other fuel efficiency technologies such as start/stop and active aerodynamics, have reduced NEDC fuel consumption by up to 16% to 9.7 Engines Fuel Efficiency Vehicle Systems

2013 78

NREL analysis of Proterra electric bus demo finds average fuel economy nearly 4x that of CNG baseline buses

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The baseline CNG buses had an average fuel economy of 4.04 These results indicated that the BEBs have an average fuel economy that is nearly 4 times higher than that of the CNG buses.

2016 112

Study finds 6.3% spread in fuel economy obtained with maximum and minimum rolling resistance tires

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spread between the fuel economy obtained with maximum and minimum rolling resistance tires. At the average 2015 price of regular gasoline, the obtained fuel-consumption extremes result in a $78 difference in the annual cost of gasoline per light-duty vehicle, Sivak said. The US Transportation Research Board estimates that a 10% increase in tire rolling resistance will result in about a 1-2% decrease in the fuel economy of light-duty vehicles.

2016 60

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

Robert Bosch LLC, AVL Powertrain Engineering and partners including the University of Michigan are working on a four-year, $24-million US Department of Energy (DOE)-supported project— Advanced Combustion Concepts—Enabling Systems and Solutions (ACCESS)—to achieve a 30% fuel economy improvement in a gasoline-fueled light-duty vehicle without compromising performance while also meeting SULEV emission standards. naturally aspirated, port fuel injected V6.

2013 92

Hyundai introduces hybrid version of new Sonata; 10% improvement in fuel economy over predecessor

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Hyundai expects the 2016 Sonata Hybrid to improve fuel economy more than 10%. Sonata Hybrid’s Transmission-Mounted Electrical Device (TMED) delivers the same responsive, engaging driving characteristics Sonata owners expect while improving fuel economy through the use of the larger electric motor. It is possible for Sonata Hybrid to operate solely on electric power at speeds up to 75 mph (120 km/h) by decoupling the gasoline engine from the rest of the drivetrain.

2015 81

Mercedes-Benz previews new GLA compact SUV; fuel economy as high as 54.7 mpg in diesel version

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The GLA 200 CDI develops 100 kW (136 hp) and maximum torque of 300 N·m (221 lb-ft), with fuel consumption of 4.3 seconds, with a top speed of 235 km/h and a combined fuel consumption figure of 7.1 mph), and is able to prevent rear-end collisions at speeds of up to 20 km/h (12.4

2013 113

Bentley’s new 616hp 12-cylinder GT Speed convertible with 8-speed and energy recuperation improves fuel economy by 15%

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liter W12 combined with a close-ratio eight-speed ZF transmission to deliver a 15% improvement in fuel economy. Provisional EPA fuel economy ratings for the convertible are 12 mpg city, 20 mpg highway, and 15 mpg combined. Provisional EU cycle fuel consumption figures are 22.7 The twin-turbocharged, 48-valve, W12 engine powers the new convertible to 60 mph in 4.1 s) and onto a top speed of 202 mph (325 km/h). Zero to 100 mph (160 km/h) takes 9.7

2013 98

2014 Audi A8 TDI Pricing & EPA Fuel Economy

Green Car Reports

Audi's A8 L may be a big vehicle, but with one of Audi's famed TDI engines under the hood, you know it's unlikely to drink fuel like a big vehicle. Despite the performance on offer--60 mph will flash by in only 6.4 That TDI engine is a 3.0-liter V-6, developing 240 horsepower and a chunky 406 pounds-feet of torque. seconds--the A8 L TDI is still

2013 59

Audi announces pricing and fuel economy for 2014 Audi A6, A7 and Q5 TDI diesels

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Audi has now announced pricing and fuel economy figures for the 2014 A6, A7 and Q5 TDI models, expected to begin arriving at US dealers in late Summer 2013. EPA estimated fuel economy figures for the clean diesel introductions are as follows: Audi MY 2014 US diesel lineup. The 6-cylinder diesel engine with 8-speed Tiptronic transmission and quattro all-wheel drive generates 240 hp (179 kW) and 428 lb-ft (580 N·m) torque, with 0-60 mph performance in 5.5

2013 71

Audi TDI models trounce EPA fuel economy ratings during “Truth in 48” cross-country efficiency drive

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Three new Audi TDI clean diesel models far exceeded their EPA fuel economy ratings in completing the “Truth in 48” cross-country efficiency drive that covered more than 2,850 miles between Southern California and New York. From beginning to end, the drivers could stop no more than four times to fill up with clean diesel fuel provided by Shell Oil Co. gallons of clean diesel fuel driving from coast to coast.

2013 79

Consumer Reports finds Honda Accord hybrid fuel economy “impressive”, but short of EPA 47 mpg rating

Green Car Congress

Consumer Reports fuel economy tests found the Honda Accord Hybrid delivered impressive overall fuel-economy of 40 mpg (5.88 We’ve found that the EPA tests often exaggerate the fuel-economy of hybrids. Prior Consumer Reports tests of the Ford Fusion Hybrid and C-Max Hybrid also found a significant shortfall between the EPA’s estimated highway fuel economy figures and those in CR’s own fuel economy tests.

2014 71

NREL study finds Class 8 hybrid trucks delivered 13.7% higher fuel economy than conventional diesels in comparable usage

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Laboratory and in-use fuel economy comparison. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. mph), and stops per mile (1.9 Source: NREL. Click to enlarge.

2012 115

Volkswagen boosts Beetle Turbo and Jetta GLI with EA888 Gen 3 engine; more power, improved fuel economy

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The new engine delivers a manufacturer-estimated improvement in fuel efficiency for the Beetle models of between 4-8% percent on the combined cycle and by up to 9% percent on the city cycle. seconds to accelerate from 0 to 60 mph, 0.2 The EA888 Gen 3 engine is designed to be lighter and more fuel efficient than the unit it replaces. Engines Fuel Efficiency The EA888 for the US. Click to enlarge.

2013 95

Chevrolet makes Stop/Start standard on base 4-cylinder in 2015 Impala; 5% improvement in city fuel economy

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Stop/start technology will be standard on the 2015 Impala base 2.5-liter ECOTEC engine, an addition that improves the vehicle’s city fuel economy by nearly 5%, or one mile per gallon. Stop/start shuts down the engine in certain driving conditions to reduce fuel consumption. Impala with stop/start yields an EPA-estimated fuel economy of 22 mpg city (10.7 The technology helps improve the Malibu’s city fuel economy by 14%. Fuel Efficiency SSVs

2014 74

Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration. The shift schedule optimization technique resulted in fuel economy gains of up to 12.2% Diesel Engines Fuel Efficiency

2012 71

Honda boosts performance and fuel economy on 2013 CR-Z Sport Hybrid Coupe using new Li-ion pack

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The 2013 Honda CR-Z goes on sale 21 November with a number of powertrain, styling and feature upgrades, including a new Li-ion battery pack that replaces the NiMH pack in the MY 2012 CR-Z hybrid and delivers more power and improved fuel economy. 2013 Honda CR-Z. Click to enlarge.

2012 109

BMW upgrading 1 and 3 Series models with focus on fuel economy and emissions; BMW 114d to debut with 1.6L diesel

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Too, the BMW 320i EfficientDynamics Edition Sedan will be available as the first gasoline-driven model with additionally enhanced technology for reducing fuel consumption and exhaust emissions. Average fuel consumption is between 4.1 seconds and a top speed of 225 km/h (140 mph).

2012 102

Chrysler offering ZF 8-speed automatic in 2012 Chrysler 300 and Dodge Charger; improved fuel economy

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The result is a four mile-per-gallon increase in fuel economy that pushes the highway EPA rating to 31 mpg US (7.6 The transmission efficiency and wide ratio spread also provide the improved fuel economy in city traffic. Fuel economy for both models is 19 mpg US (12.4 This all-wheel drive is engaged only when needed, requires no driver input and helps improve fuel economy by only engaging the front-drive wheels when there is excessive wheel spin.

Dodge 76

New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

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The system was realized with the new 1.4-liter gasoline-fueled TSI of the Polo BlueGT. The TSI develops a power output of 103 kW / 138 hp, with a combined fuel consumption of 4.7 If the Polo BlueGT is ordered with the optional 7-speed dual clutch gearbox (DSG), fuel consumption drops further to 4.5 With a top speed of 210 km/h (130 mph), the car accelerates to 100 km/h in 7.9 Engines Fuel Efficiency Vehicle SystemsPolo BlueGT. Click to enlarge.

2012 87

2014 Cascadia Evolution Class 8 rig delivers 10.67 mpg on closed-track demo; 7% better fuel economy than EPA 2010 Cascadia in cross-country tour

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The Freightliner Trucks 2014 Cascadia Evolution—powered only by the newly designed Detroit DD15 engine and featuring enhanced aerodynamic specs—delivered fuel economy of 10.67 Fuel consumption and distance traveled were again documented by ATDS.

2012 106

GM and partners to begin work in January at National Tire Research Center; seeking improvements in fuel economy

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By some estimates, tire design can help improve fuel efficiency by up to 7%. The center’s $11.2-million tire performance test equipment, known as Flat-Trac LTRe, is unique in its use of electric motor technology and can run a tire up to 200 mph.

2012 96

Mercedes-Benz introducing diesel E 300 BlueTEC HYBRID with fuel economy of 56 mpg US; gasoline-engined E 400 HYBRID model to follow

Green Car Congress

Mercedes-Benz is introducing the new E 300 BlueTEC HYBRID; the luxury-class diesel hybrid offers fuel consumption of 4.2 The E 300 BlueTEC HYBRID is based on the E 250 CDI, yet has a higher output and approximately 15% lower fuel consumption. E 300 BlueTEC HYBRID Click to enlarge.

2012 135