The Truth About Cars

MAY 9, 2025

liter turbocharged three-cylinder (137 horsepower @ 5,000 RPM, 162 lb-ft @ 2,500-4,000 RPM) Transmission/Drive Wheels Six-speed automatic, front-wheel drive Fuel Economy, MPG 28 city / 32 highway / 30 combined (EPA Rating) Fuel Economy, L/100km 8.4 2025 Buick Envista Avenir Fast Facts Powertrain 1.2-liter highway / 7.9

Buick

The Truth About Cars

APRIL 4, 2025

liter turbocharged four-cylinder (201 horsepower @ 5,000 RPM, 221 lb-ft @ 1,450-4,500 RPM) Transmission/Drive Wheels Seven-speed dual-clutch automatic, front-wheel drive Fuel Economy, MPG 28 city / 39 highway / 32combined (EPA Rating) Fuel Economy, L/100km 8.5 2025 Mini Cooper S 2 Door Hardtop Fast Facts Powertrain 2.0-liter

Affordable

Clean Fleet Report

JULY 10, 2025

The EPA rates the all-electric driving range at 266 miles. The cabin has a four-zone climate control with energizing air control and the ($450 option) HEPA filter. We also feature those efficient gas-powered vehicles that are among the top mpg vehicles in their class. 4Matic is Mercedes-Benz speak for all-wheel drive (AWD).

Mercedes

Clean Fleet Report

FEBRUARY 16, 2025

The EPA rates the all-electric driving range at 295 miles, which was spot-on to our results, where we averaged a respectable 3.2 The cabin has a two-zone climate control and a large curved display encompassing a 14.9-inch We also feature those efficient gas-powered vehicles that are among the top mpg vehicles in their class.

BMW

Clean Fleet Report

JUNE 22, 2025

Efficient style The EPA rates the Polestar 3 Long Range Single Motor at 350 all-electric miles (AER) with an efficiency of 35 kWh per 100 miles. We also feature those efficient gas-powered vehicles that are among the top mpg vehicles in their class. In a few 0-60 mph runs we averaged a respectable 7.5

Motor

Green Car Congress

AUGUST 7, 2012

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), 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). C-MAX Hybrid.

MPG

Green Car Congress

AUGUST 24, 2012

Lexus’s 2013 GS 450h—the new generation hybrid version of the GS 350, introduced at the 2011 Frankfurt Motor Show ( earlier post )— offers EPA-estimated fuel economy ratings of 29 mpg US city, 34 mpg US highway and 31 mpg US combined (7.7, L/100km, respectively). In ECO mode, meter lighting changes to blue.

GS 450h

Green Car Congress

SEPTEMBER 25, 2013

The EPA-rated 50 mpg (4.7 The 2014 Accord Hybrid, equipped with a two-motor hybrid system, also carries EPA ratings of 45 mpg highway and 47 mpg combined (5.2 The 2014 Accord Hybrid, equipped with a two-motor hybrid system, also carries EPA ratings of 45 mpg highway and 47 mpg combined (5.2

2014

Green Car Congress

NOVEMBER 22, 2010

After completion of five-cycle testing, the US Environmental Protection Agency (EPA) has rated the battery-electric Nissan LEAF with an mpg-equivalent rating of 106 city, 92 highway for a combined 99 mpge. EPA fuel economy label for the LEAF. The new fuel economy label also notes consumption of 34 kWh per 100 miles.

Fuel Economy

Green Car Congress

FEBRUARY 7, 2020

At the Chicago Auto Show, Hyundai introduced its new 2020 Sonata Hybrid, featuring up to 686 miles of driving range and an EPA-estimated 52 mpg combined fuel economy rating on the Blue trim. Combined system power output is 192 horsepower and EPA estimated fuel economy numbers are 50 city, 54 highway and 52 combined for the Blue trim.

2020

Green Car Congress

APRIL 2, 2010

Source: EPA. mpg if all improvements came from fuel economy) and 34.1 mpg US (6.9 As part of its program, EPA is establishing a system of averaging, banking, and trading (ABT) of credits, based on a manufacturer’s fleet average CO 2 performance. Both EPA and NHTSA programs are footprint-based—i.e., mpg US (EPA).

EPA

Green Car Congress

APRIL 10, 2012

Because of methane leakage from the natural gas infrastructure, a shift to natural gas vehicles from gasoline or diesel vehicles could lead to greater radiative forcing of the climate—i.e., Recent reports in the scientific literature and popular press have produced confusion about the climate implications of natural gas.

Climate Change

Green Car Congress

JULY 5, 2013

The i-ELOOP equipped Mazda6 is EPA-rated at 28 city/40 highway/32 combined mpg US (8.4, Fuel efficiency when paired with the manual transmission for non-i-ELOOP cars is rated by the EPA at 25 city/37 highway/29 combined mpg (9.4, l/100 km) and increases to 26 city/38 highway/30 combined mpg (9.0,

MPG

Green Car Congress

MARCH 27, 2009

mpg, save 887 million gallons of fuel over the lifetime of the MY 2011 cars and light trucks, and reduce CO 2 emissions by 8.3 mpg US, a 2.0 mpg increase above MY 2010, corresponding to 326 gCO 2 /mi. mpg US (294 gCO 2 /mi); MY 2011 light trucks will reach 24.1 mpg (369 g/mi). mpg (320 gCO 2 /mi).

2011

Green Car Congress

SEPTEMBER 15, 2009

Greenhouse gas and fuel economy levels under the EPA NHTSA joint proposed rulemaking. mpg in model year 2016. EPA expects manufacturers to take advantage of the option to generate CO 2 -equivalent credits by reducing emissions of hydrofluorocarbons (HFCs) and CO 2 through improvements in their air conditioner systems.

Fuel Economy

Green Car Congress

FEBRUARY 27, 2010

Executive branch agencies, like EPA, carry out the laws passed by Congress. When Congress passed the Clean Air Act, it never gave EPA the explicit authority to regulate greenhouse gas emissions for the purpose of stopping global climate change. But, that is exactly what EPA has proposed to do. —Congressman Skelton.

EPA

Green Car Congress

MAY 25, 2011

The US Department of Transportation (DOT) and the Environmental Protection Agency (EPA) unveiled the next-generation of fuel economy labels. Ratings of how a model compares to all others for smog emissions and emissions of pollution that contribute to climate change. Click to enlarge.

Fuel Economy

Green Car Congress

JUNE 30, 2009

The US Environmental Agency (EPA) has granted California’s waiver request enabling the state to enforce its greenhouse gas emissions standards (Pavley I) for new motor vehicles, beginning with the current model year. California requested from EPA the waiver required for implementation of the Pavley regulations in December 2005.

EPA

Green Car Congress

AUGUST 6, 2021

The US Environmental Protection Agency (EPA) released a proposed rulemaking for model year 2023-2026 light-duty vehicle greenhouse gas emissions standards, and outlined its plans to initiate a subsequent rulemaking to set standards for MY 2027 and beyond, to speed the transition of the light-duty vehicle fleet toward a zero emissions future.

EPA

Green Car Congress

JULY 16, 2013

Ford had attracted criticism (and lawsuits, see below) around the end of 2012 for the large discrepancy between real-world fuel economy results for the C-MAX hybrid and its EPA fuel economy ratings—47 mpg (5.0 Customers should see the most improvement at highway speeds, during air conditioner use and operation in colder climates.

Fuel Economy

Green Car Congress

OCTOBER 1, 2010

The US Department of Transportation’s (DOT) National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) issued a Notice of Intent (NOI) to begin developing new standards for greenhouse gases and fuel economy for light-duty vehicles for the 2017-2025 model years. Earlier post.).

Fuel Economy

Green Car Congress

JANUARY 24, 2011

The US Department of Transportation (DOT), the US Environmental Protection Agency (EPA) and the state of California have announced a single timeframe for proposing fuel economy and greenhouse gas standards for model year 2017-2025 cars and light-duty trucks. mpg US (6.9 The EPA standard would be equivalent to 35.5 mpg US (6.6

Fuel Economy

Green Car Congress

APRIL 1, 2010

mpg for the combined industry-wide fleet (cars and light-trucks) for model year 2016. The EPA standard would be equivalent to 35.5 DOT and EPA received more than 130,000 public comments on the September 2009 proposed rules, with overwhelming support for the strong national policy. Source: NHTSA. Click to enlarge. Earlier post.).

Fuel Economy

Green Car Congress

AUGUST 28, 2013

The Malibu delivers an EPA-estimated 25 city and 36 highway mpg (9.4 By leveraging knowledge from the stop/start system we use on eAssist, we were able to significantly improve city fuel ratings by 3 mpg, or 14 percent on Malibu’s entry-level 2.5L base model—the first midsize sedan sold in the US to do so. Earlier post.)

Fuel Economy

Green Car Congress

AUGUST 4, 2015

The Chevrolet Volt’s all-new second-generation Voltec extended-range electric propulsion system ( earlier post ) delivers 53 miles (85 km) of all-electric range, based on EPA testing. range-extender, designed to use regular unleaded fuel, offers a combined EPA-estimated fuel efficiency of 42 mpg (5.6 Earlier post.).

Volt

Green Car Congress

JULY 11, 2012

Historical and projected achieved fuel economy (mpg US) for passenger cars and light trucks. The US Environmental Protection Agency (EPA) and NHTSA have been working together on developing the National Program of harmonized regulations to reduce greenhouse gas emissions and improve fuel economy. mpg US (5.87 mpg in MY 2025.

2017

Green Car Congress

MARCH 22, 2017

Starting from a baseline 26 mpg (9.04 l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 l/100 km) in 2025 and to 42–46 mpg (5.6-5.11 EPA found cylinder deactivation CO 2 benefits of 3.5%–5.8%

Fuel Economy

Green Car Congress

NOVEMBER 7, 2014

With an EPA rating of 44/47/45 mpg city/highway/combined (5.3/5/5.2 l/100km) for the Civic Hybrid and an EPA rating of 27/38/31 mpgge (8.7/6.2/7.6 Other standard and available features on both models include the Expanded View Driver’s Mirror, LaneWatch display and automatic climate control.

Civic Hybrid

Green Car Congress

MARCH 15, 2017

EPA Administrator Scott Pruitt and Department of Transportation Secretary Elaine Chao announced that EPA intends to reconsider its final determination issued on 12 January 2017 which recommended no change to the greenhouse gas standards for light duty vehicles for model years 2022- 2025. Earlier post.) Background.

EPA

Green Car Congress

MARCH 3, 2020

miles per gallon MY 2017, according to the annual Automotive Trends Report released by the US Environmental Protection Agency (EPA). In model year 2018, the average estimated real-world CO2 emission rate for all new vehicles fell by 4 grams per mile (g/mi) to 353 g/mi, the lowest level measured since 1975, when EPA data collection began.

Fuel Economy

Green Car Congress

SEPTEMBER 8, 2014

GM introduced the 2014 Cruze Diesel in early summer 2013 in the US with an EPA-estimated fuel economy of 27 mpg city, 46 mpg highway and 33 mpg combined (8.7, At that time, the MY2014 Cruze Diesel was going up against the MY2014 Jetta with fuel economy of 30 mpg city, 42 mpg highway, 34 mpg combined (7.8,

Diesel

Green Car Congress

MAY 3, 2012

Moreover, the output of electrically operated functions such as the seat heating, climate control system and exterior mirror heating are regulated to ensure highly efficient energy management. Preliminary EPA mileage estimates are 24 mpg city/33 mpg highway/27 mpg combined (9.8, seconds respectively.

BMW

Green Car Congress

JULY 23, 2014

All contribute to EPA-estimated fuel economy ratings of 25 mpg (9.4 l/100 km) in city driving and 36 mpg (6.5 An auxiliary battery powers electric accessories such as the climate system, power windows and radio during engine restarts. Stop/start is featured along other technologies in the Malibu’s new 2.5L Earlier post.)

2014

Green Car Congress

OCTOBER 7, 2016

The 2017 Prius Prime offers an EPA-estimated 133 MPGe (miles per gallon equivalent)—a substantial 26% enhancement over its predecessor model, the Prius Plug-in Hybrid, as a result of greater battery capacity and the improved hybrid system. The EPA-estimated all-electric range is up to 25 miles at up to 84 mph.

Prius

Green Car Congress

MARCH 26, 2015

l/100 km, 71 mpg US). EPA estimated fuel consumption for the US is still TBD.) l/100 km, 44 mpg US under the European cycle), while delivering the performance of a V8 model. l/100 km (27 mpg US) or 209 g CO 2 /km (NEDC combined) on the European cycle. EPA fuel economy (mpg US). mi) of all-electric driving.

Plug-in

Green Car Congress

NOVEMBER 20, 2009

Transportation sources accounted for approximately 40% of all GHG emissions in the US in 2006; medium- and heavy-duty vehicles (above 8,500 gross vehicle weight rating) represent about 22% of the transportation emissions, up from 15 percent in 1990, according to the EPA. mpg and projected to rise modestly to 6.8

2017

Green Car Congress

JANUARY 26, 2016

increase in efficiency for optimized fuel economy, and up to an EPA fuel economy rating of 29 city / 38 highway / 33 combined mpg (for the Elantra SE with 6-A/T). The Eco trim is projected to achieve an estimated 35 mpg combined rating based on internal testing. All of this results in up to a 2.2% Other features of the 1.4L

2017