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In 1999, the Volkswagen 1.2-litre TDI won the International Engine of the Year categories for "1.0 to 1.4 litres" and "Best Fuel Economy". [19] In 2000, a fuel system using unit injectors (called "Pumpe Düse" by Volkswagen) began to replace the distributor injection pump systems (except for the V8 engine, which used common rail design). [1]
The Volkswagen Polo 1.4 TDI Bluemotion and the SEAT Ibiza 1.4 TDI Ecomotion, both rated at 3.8 L/100 km (74 mpg ‑imp; 62 mpg ‑US) (combined) were the most fuel efficient petroleum-fuelled cars on sale in the UK as of 22 March 2008. [68] [29] [31] [needs update]
The BlueMotion Polo (Mk4) and Ibiza Ecomotive used a special 1.4 L three cylinder Turbocharged Direct Injection (TDI) diesel engine [3] with 59 kW (80 PS; 79 bhp) power and an estimated fuel efficiency of 3.9 L/100 km (72 mpg ‑imp; 60 mpg ‑US), [2] [3] emitting 99 g/km of CO 2 (base model), or 102 g/km with the trim package. [3]
The Volkswagen XL1, with potential mileage as high as 261 mpg ‑US (0.9 L/100 km), is the most fuel-efficient car in the world. In 1974 Volkswagen paid a $120,000 fine to settle a complaint filed by the Environmental Protection Agency over the use of so-called "defeat devices" that disabled certain pollution-control systems.
The Volkswagen TDI diesel emissions case is not the first use of defeat devices by Volkswagen or other automakers nor the first time automakers have taken advantage of their foreknowledge of the specific lab test conditions in order to engage emissions controls only during testing, but not during normal driving. [65]
[66] [67] Due to the good fuel economy provided by its diesel fleet, in 2014 Volkswagen was registered with a Corporate Average Fuel Economy (CAFE) of 34 mpg ‑US (6.9 L/100 km; 41 mpg ‑imp). [68] The low emissions levels of Volkswagen vehicles tested with the defeat device in operation enabled the company to receive green car subsidies and ...
VW EA 897 is a diesel engine series of Volkswagen AG, which was developed by Audi. The series comprises six cylinder - V-engines with 3.0 liter displacement and is used in various vehicles of the Volkswagen Group since 2010.
A Digifant II DF-1 Engine Control Unit used in '91 Volkswagen Golf Cabriolet with 2E engine. Digifant is an Engine Management System operated by an Engine Control Unit that actuates outputs, such as fuel injection and ignition systems, using information derived from sensor inputs, such as engine speed, exhaust oxygen and intake air flow. [1]