Remove Exhaust Remove Maintenance Remove MPG Remove MPH
article thumbnail

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

Green Car Congress

The results for the SUV pulling a 3,500 pound enclosed cargo trailer were significant, resulting in FE penalties ranging from 30%, for the city cycle, to 50% at 80 mph (129 km/h), at which point significant CO generation indicated protective enrichment due to high load. l/100 km) at 60 mph (97 km/h) to 33 mpg (7.1 l/100 km).

article thumbnail

Volkswagen combines XL1 powertrain with up! for the twin up! concept plug-in diesel hybrid; 214 mpg

Green Car Congress

liters per 100 km (214 mpg US ) (NEDC), with corresponding CO 2 emissions of 27 g/km. An exhaust gas recirculation system, oxidation catalytic converter and diesel particulate filter are used to reduce emissions values. All service access points are in maintenance-friendly locations. accelerates up to 60 km/h (37 mph) in 8.8

Plug-in 297
article thumbnail

Audi SQ7 features new V8 TDI, 48V system, electric compressor

Green Car Congress

mpg US), corresponding to CO 2 emissions of 194 grams per kilometer (312.2 mph) (governed). Two exhaust-gas turbochargers are activated selectively according to the concept of sequential charging, since exhaust gas only flows through one turbocharger at low and intermediate load. The newly developed 4.0-liter

Audi 150
article thumbnail

New Generation Audi Q7 SUV Models Feature Lower Fuel Consumption and Emissions

Green Car Congress

An advanced version of the common rail injection system with 2,000 bars of pressure, new combustion chamber sensors and a high-performance exhaust recirculating system ensure a highly efficient combustion process. Audi partners replenish the additive during regular maintenance servicing. mpg US) to 9.9 L/100km (25.85

Audi 150
article thumbnail

European Sales of Chevy Spark Begin 1Q 2010 with Two Engines at Launch, LPG Variants

Green Car Congress

The two engines use advanced features such as port deactivation technology to improve exhaust gas recirculation, leading to optimal fuel efficiency and idle stability, along with a timing chain to ensure a lifetime of low maintenance and running costs. seconds, and on to a top speed of 154 km/h (96 mph).

2010 210
article thumbnail

Road Test: 2023 Volkswagen Taos SEL 4Motion

Clean Fleet Report

Fuel economy is EPA-rated at 28 mpg city/36 highway/31 combined for the FWD Taos, with the 4Motion rated at 25/32/28. mpg, but in a 99-mile highway run at 65 mph, we averaged 34.3 The twin faux exhaust ports on the lower rear fascia actually don’t look too bad, and the star-patterned 19-inch machined alloy wheels look great.

article thumbnail

Road Test: 2024 Cadillac XT4 Premium Luxury FWD

Clean Fleet Report

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. Our best efficiency was over a 110-mile all-freeway run with the adaptive cruise control set at 65 mph, earning us 32.5 In 365 miles of mostly freeway driving we averaged 26.1