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Peugeot introducing new Euro 6 engines, 208 HYbrid Air demonstrator

12 September 2014

Peugeot will be showcasing a range of new, more fuel efficient Euro 6 petrol and diesel engines, as well as a 208 Hybrid Air 2L demonstrator at the Paris Motor Show next month.

Peugeot is unveiling its new range of Euro 6 engines on the 208 and 308 hatchbacks, the new 508 sedan, the Peugeot 2008 and 3008 crossovers, and the Peugeot 5008 MPV. The PureTech and 1.6-liter THP petrol engines, as well as the BlueHDi diesel are coupled with Peugeot's third-gen Efficient Automatic Transmission 6 (EAT6) and are equipped with stop & start technology. Through the use of these technologies, Peugeot reduced the average weighted CO2 emissions of their European range from 115.1 g/km in 2013 to 111.2 g/km.

Petrol Engines. In 2014, the 110 hp and 130 hp turbo engines will expand the PureTech family of three-cylinder petrol engines, making their debut on the Peugeot 308. The Peugeot 308 1.2-liter PureTech 130 S&S EAT6 achieves fuel consumption of 4.9 l/100 km and 114 g/km of CO2, an improvement of 2 l/100 km and 45 g/km of CO2 compared with the earlier 1.6-liter VTi 120 BVA model. The Peugeot 308 range will expand to include the 1.2-liter PureTech 110 S&S turbo by the end of the year, with fuel consumption of 4.6 l/100 km and 105 g/km of CO2.

The new Peugeot 508 showcases a 1.6-liter THP 165 S&S Euro 6 engine, a new direct injection petrol power plant based on the Prince engine developed in partnership with BMW. The new turbo design features increased injection pressure, from 120 bar to 200 bar. The increase in pressure, with a new angle for the injection nozzle, dual injection and a high-pressure start also “significantly” reduces particulate emissions, said Peugeot.

The new model 508 shows a fuel consumption reduction of 18% compared with the previous model, due to a combination of technologies, including stop & start, the EAT6 automatic transmission, management of electrical and hydraulic energy (on-demand water pump and variable capacity oil pump), and engine friction reduction technologies.

Following the 1.6-liter 270 seen on the Peugeot RCZ R earlier this year, the 1.6L THP 165 S&S is the second 1.6-liter Euro 6 power plant, to be also introduced on the Peugeot 3008 and 5008 by the end of the year. A third 1.6-liter Euro 6 engine developing 208 hp will make its debut on the Peugeot 208 GTi 30TH, also by the end of the year.

Diesel Engines. The 1.6-liter BlueHDi 120 coupled with a manual six-speed gearbox has helped the Peugeot 308 and 308 SW set a new record for fuel consumption in their segment in Spring 2014, achieving 3.1 and 3.2 l/100 km, respectively, representing CO2 emissions of 82 and 85 g/km. The 1.6-liter BlueHDi 120 also powers a number of Peugeot models in the B, Mini Crossover B and Compact Crossover C segments, including the 208, 2008, 3008 and 5008 models.

The larger, 2.0-liter BlueHDi engine is featured on the 508, the 308 and 308 SW, as well as on other vehicles in the large C and D segments. 2.0-liter HDi 150, making it one of the best trade-offs between power and consumption in the large C segment.

Since the end of 2013, Peugeot has been using urea-SCR technology and a particulate filter with additives. The SCR system is installed upstream of the particulate filter, for better cold start performance.

208 HYbrid Air 2L. Peugeot is showcasing its 208 HYbrid Air 2L technology demonstrator at the Paris Motor Show. Peugeot’s Hybrid Air technology is a full-hybrid solution combining compressed air and hydraulic power, with no battery for energy storage. Hybrid Air combines a petrol engine; a compressed air energy storage unit located beneath the trunk; a low-pressure tank near the rear axle acting as an expansion chamber; a hydraulic pump/motor unit in the engine bay; and an automatic transmission with an epicyclic gear train.

The HYbrid Air 2L demonstrator provides a snapshot of the technologies to be used for meeting the French government's fuel efficiency target of 2.0 l/100 km (118 mpg US) by 2020. Achieving this gaol requires a combination of approaches. When tested over the NEDC cycle, a 1 g of CO2 emission reduction corresponds to:

The 208 HYbrid Air 2L technology demonstrator is based on a mass production model, the 208 1.2-liter PureTech 82 BVM5, which has the following specifications: consumption of 4.5 l/100; CO2 emissions of 104 g; weight: 960 kg; SCx of 0.65 m².

Through the use of lightweight materials, such as carbon composites and aluminum, the weight of the HYbrid Air demonstrator was reduced to 860 kg. The vehicle is powered by a 3-cylinder, 1.2-liter PureTech 82 petrol engine. The engine efficiency was improved by 4% through the use of cylinder coatings to reduce friction, polymer bearings, and low viscosity lubricating oil.

The compressed air tank is recharged when slowing down—while braking or taking the foot of the pedal—or by use the energy developed by the petrol engine to compress the air. Both methods can achieve maximum pressure within ten seconds.

The vehicle can be operated in Air (ZEV) mode, running on compressed air alone. In Petrol mode, the car is powered only by the petrol engine. In the Combined mode, the vehicle draws on the two energy sources in proportions adjusted to achieve optimal fuel consumption.

Source: Peugeot