Green Car Congress
JANUARY 18, 2013
One tip is that drivers should obey the speed limit since the fuel economy of most vehicles decreases above 50 mph [80 km/h]. ORNL staff members John Thomas, Shean Huff and Brian West have worked to quantify this trend through analysis of dynamometer testing results for 74 vehicles at steady-state speeds from 50 to 80 mph [80 to 129 km/h].
Green Car Congress
MARCH 19, 2018
By way of comparison: a conventional turbo system diverts part of the exhaust gas stream needed for the forced induction away from the turbine via a wastegate valve as a function of its operating state. TSI ACT BlueMotion, however, it is possible to route 100% of the exhaust gas stream via the turbine at any time by means of VTG.
Green Car Congress
MAY 9, 2015
By comparison: The new Ford Shelby GT 350 will feature a naturally aspirated 5.2L Turbochargers are typically driven by energy from the exhaust—i.e., starting from very low revs, the rise in boost pressure and therefore torque becomes gradually greater only as the exhaust energy increases.
Green Car Congress
JULY 16, 2013
As a comparison, in 2007, the first-generation Golf BlueMotion (Volkswagen’s most fuel-efficient version) was regarded as having sensational gas mileage at 52 mpg—4 mpg worse than the new GTD, which has 79 more horsepower and is 25 mph faster. seconds and also accelerates from 50 to 75 mph in fifth gear in 7.5
Green Car Congress
JANUARY 12, 2012
Of the energy output of fuel in a car engine, 33% is spent in exhaust, 29% in cooling and 38% in mechanical energy, of which friction losses account for 33% and air resistance for 5%. By comparison, an electric car has only half the friction loss of that of a car with a conventional internal combustion engine. million TJ/a.
Green Car Congress
SEPTEMBER 2, 2009
100km (40 mpg US), with acceleration from 0 to 62 mph in a 9.0 seconds and with a top speed of 127 mph (204 km/h). Cylinder bore spacing is also reduced in comparison—98.4 The Impreza Boxer Diesel meets Euro 4 emission standards with an oxidation catalytic converter, a particulate filter and exhaust gas recirculation.
Green Car Congress
JUNE 29, 2015
The standard, start-stop system has also been further improved and comes with new features to reduce fuel consumption further: When the driver stops at a red light, the engine can already be deactivated below 7 kilometers an hour (4 mph); 3 km/h for the A4 3.0 seconds and on to a top speed of 210 km/h (131 mph). mph) for the Sedan; 7.5
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