EPA Exhaust MPG Reference 
Clean Fleet Report
MARCH 15, 2024
The fuel economy, which is best in Touring mode, is rated by the EPA at 24 mpg city/29 highway/26 combined mpg. mpg, same as the EPA. We were pleased to cross the 30 mpg mark and surpass the EPA 29 mpg rating by so much. The first thought is this references a 3.5-liter
Clean Fleet Report
NOVEMBER 6, 2021
Clean Fleet Report spent a week exploring Southern California in the front-wheel drive XT5 Premium Luxury, which the EPA rates at 19 mpg city/26 highway/21 combined mpg. We were surprised to cross the 30 mpg mark for this 3,915-pound, five-passenger midsize SUV. The first thought is this references a 4.0-liter
Clean Fleet Report
MAY 23, 2021
Duramax turbodiesel is EPA rated at 20 mpg city/26 highway/22 combined. When fully loaded or pulling a trailer, mileage numbers may be less, but getting oh-so-close to 30 mpg is impressive for a 6,015-pound SUV. The first thought is this references a 6.0-liter Fuel economy for the 3.0L Your numbers may differ.
Green Car Congress
MARCH 27, 2015
mpg (19.26 The Freightliner SuperTruck features a low-back-pressure, next-generation aftertreatment system that efficiently removes NO x from the exhaust stream. The aftertreatment system features additional insulation to retain maximum heat energy in the exhaust.
Green Car Congress
MARCH 2, 2009
The Gen III Prius offers an EPA-rated combined cycle fuel economy of 50 mpg (now revealed to comprise 50 mpg city and 49 mpg highway). This is about a 10% improvement in EPA-rated combined cycle fuel economy over the older generation. An exhaust gas recirculation (EGR) system has also been added.
Green Car Congress
JUNE 24, 2013
The lightweight XL1 (795 kg, 1,753 lbs) delivers NEDC fuel consumption of 261 mpg (0.9 Even accounting for differences resulting from variations in drive cycles, XL1 appears to deliver significantly better electric fuel consumption than the EPA-rated electric or plug-in vehicles on the US market. Data: Volkswagen, US EPA and DOE.
Green Car Congress
JULY 6, 2010
There are two basic exhaust emissions and fuel economy tests described in J1711. Single-roll, electric dynamometer test procedures are specified to minimize the test-to-test variations inherent in track testing and to conform with standard industry practice for exhaust emissions and fuel economy measurements. Earlier post.)
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