Posted by: carboncreditsusa | November 18, 2008

German Car Manufacturer “Opel” Introduces “Compressed Natural Gas (CNG)” Compact Van With Turbocharger


Opel presents its first Compressed Natural Gas (CNG) compact van with a turbocharger at the Bologna motor show in December. The new natural gas-propelled Zafira has an output of 110 kW, a maximum torque of 210 Newton metres at 2300 1/min, a top speed of 200 km/h and consumes only 5.3 kilograms of natural gas per 100 kilometres in the Motor Vehicle Emissions Group cycle. It emits 144 grams of Carbon dioxide (CO2) per kilometre. That means it delivers 60 percent more horsepower for a difference of six grams in emissions than the naturally aspirated model.
According to the German car manufacturer the cost of driving 100 kilometres with a CNG vehicle is on average roughly 50 percent lower than a comparable car running on petrol. The cost of driving CNG would remain inexpensive in the long-run, compared with other fuels because many European governments are committed to further promote CNG vehicles through tax support systems.

The 1.6-litre engine of the Zafira CNG is designed to run on either natural gas, bio-methane or any mixture of the two. The unit is provided with special pistons, valves and valve seats, plus separate injection systems for natural gas and gasoline. In gas mode alone, the vehicle can drive up to 370 kilometres, while the 14-litre reserve gasoline tank provides an additional range of 150 kilometres. Thanks to the underfloor arrangement of the four gas tanks around the rear axle, the Zafira’s interior fully retains its variability and space.

At present, Opel’s CNG model range includes the Zafira 1.6 CNG and the Combo 1.6 CNG “ecoFLEX” with 69 kW. The new Zafira 1.6 CNG Turbo will reach markets starting in January 2009.


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