12 August 2009
Mazda CX7

Mazda CX7

Mazda to exhibit first Japanese car with SCR at Frankfurt Motor Show

Autozine
12 August 2009 | The Mazda stand at next month's Frankfurt Motor Show (IAA) will exhibit the first Japanese passenger car to have a diesel engine mated to a Selective Catalytic Reduction (SCR) system. This technology will be offered exclusively to European customers in the new diesel facelift version of the CX-7, Mazda's sports crossover SUV, which will go on sale in October this year.

Under the bonnet of Mazda's flagship SUV, the MZR-CD 2.2-litre turbo diesel engine with SCR will offer customers eco-friendly performance. Mazda CX-7 facelift complies with Euro Stage V emissions regulations, despite being a roomy SUV.

Mazda CX7

The SCR system purifies vehicle exhaust gases by spraying AdBlue. AdBlue is a form of aqueous urea and a registered trademark of the Verband der Automobilindustrie e.V. (VDA). Aqueous urea from a storage tank (fitted under the luggage area) is put directly into the exhaust flow in front of the catalytic converter. This causes a chemical reaction in which the AdBlue converts approximately 40 percent of the NOx into nitrogen.

Thanks to the compact design of the SCR system the CX-7 Diesel delivers the same 455 litres of luggage space (VDA) as the gasoline engine version, and it is user-friendly. By minimising consumption of AdBlue to make sure it lasts for at least 20,000 km under normal driving conditions, refills are required only at each scheduled maintenance.

Mazda CX7

Joining the new clean-running CX-7 facelift diesel in Frankfurt will be a host of other environmental technologies currently making Mazda's European line-up greener including Mazda's fuel-saving i-stop system, and rotary hydrogen powertrain technology, among others.

 

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