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Diesel hybrids can reduce CO2 fleet average, market researcher says

September 27, 2011 | Christoph Hammerschmidt | 222901810
Diesel hybrids can reduce CO2 fleet average, market researcher says Although the initial costs for Diesel hybrid vehicles are higher than for comparable HEVs with gasoline engine, diesel hybrids provide higher performance, lower CO2 emissions and better fuel efficiency. For this reason, Diesel-based HEVs will have a positive impact on the CO2 emission bottom line in the future, says market research company Frost & Sullivan.
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Although the initial costs for Diesel hybrid vehicles are higher than for comparable HEVs with gasoline engine, diesel hybrids provide higher performance, lower CO2 emissions and better fuel efficiency. For this reason, Diesel-based HEVs will have a positive impact on the CO2 emission bottom line in the future, says market research company Frost & Sullivan.

Over the last two decades, Diesel engines have become more popular among European consumers, due to their higher fuel efficiency, lower CO2 emission values and fun-to-drive perception when compared to gasoline engines. Although these factors contribute to the high proportion of diesel engines in Europe, the principal drawback of diesel engines is the challenge in controlling particulate matter (PM) and emissions of oxides of nitrogen (NOx).

European car manufacturers have adopted different strategies to reduce PM and NOx emissions, and one of those adopted is engine downsizing, says Research Analyst, Bharath Kumar Srinivasan, from Frost & Sullivan. However, downsizing a diesel engine will result in higher NOx emissions.

Automotive OEMs therefore need to develop diesel engines, which meet low CO2 targets whilst complying with EU emission standards (Euro norms) at the same time. The PSA Group added a hybrid kit to a diesel powertrain and unveiled the diesel Peugeot 3008 Hybrid4 with 200 bhp and CO2 emission as low as 99 g/km. The diesel powertrain produces a power output of 163 bhp and the electric motor generates an additional 37 bhp. Both powertrains are capable of running independently, thus offering the flexibility of using the all-electric mode within cities and making it a zero-emission vehicle.

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