Remove Exhaust Remove Fuel Economy Remove Information Remove MPH
article thumbnail

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

Green Car Congress

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. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

article thumbnail

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

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal Analysis has focused on speeds of 50, 60, 70 and 80 mph. [ Data range.

article thumbnail

Land Rover bringing two diesel SUVs to N. America; 32% better combined fuel economy, up to 28 mpg on highway; LEV 3

Green Car Congress

The Range Rover Sport Td6 and Range Rover Td6 accelerate from 0-60 mph in 7.1 Preliminary fuel economy figures for the Range Rover Sport and Range Rover are 22 mpg (city), 28 mpg (highway) and 25 mpg (combined) (10.7, seconds respectively, compared to 6.9 seconds for gasoline V6 models.

article thumbnail

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

Green Car Congress

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 In constant speed driving at 50 km/h (31 mph) in third or fourth gear, fuel savings are as much as one liter per 100 km.

MPG 257
article thumbnail

Audi A3 launching with new 4-cylinder engines; cylinder-on-demand, supplementary indirect injection, start-stop and modular efficiency technologies

Green Car Congress

In the previous model, some of the gasoline engines were mounted with a forward tilt of 10 degrees, and their exhaust side faced the radiator grille, while the exhaust side of the TDI engine faced the bulkhead. The common rail fuel injection system builds a system pressure of up to 1,800 bar; the fuel is atomized by eight-hole nozzles.

Audi 334
article thumbnail

Toyota introducing Corolla Hybrid to US at LA Auto Show; at least 50 mpg

Green Car Congress

l/100 km) combined fuel economy (projected). That makes the 2020 Corolla Hybrid the most fuel-efficient model to ever wear the model name that debuted more than a half-century ago. NORMAL mode: Allows the hybrid system to achieve an ideal combination of fuel economy and vehicle acceleration. Earlier post.).

MPG 306
article thumbnail

New diesel Volkswagen Golf GTD heading for the US; first driving impressions

Green Car Congress

diesel delivering 184 horsepower (137 kW), 280 lb-ft (380 N·m) of torque, CO 2 emissions of 109 g/km, and a NEDC combined fuel economy figure of 56 mpg US (4.2 The base version of the Golf GTD, at 3,036 pounds (1,377 kg), accelerates from 0 to 62 mph in 7.5 With a new 2.0L By comparison, the earlier A6 Golf GTD posted 8.1

Diesel 304