Wongm's Rail Gallery » Bus bits and pieces

Both diesel and 'Ad Blue' tanks are common on modern buses

In album: Bus bits and pieces

'Ad Blue' is a exhaust fluid used by the selective catalytic reduction system in modern diesel engines to reduce nitrogen oxide emissions
Both diesel and 'Ad Blue' tanks are common on modern buses

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Taken with a Canon EOS 7D
Date: 15 December 2014 18:03 PM
Exposure Time: 1/1250 sec
Aperture Value: f/11
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