27.11.2014 Views

Locomotive Emissions Monitoring Program - Railway Association of ...

Locomotive Emissions Monitoring Program - Railway Association of ...

Locomotive Emissions Monitoring Program - Railway Association of ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

4 Diesel Fuel Properties<br />

The RAC survey showed that in 2008 the<br />

weighted average sulphur content <strong>of</strong> the<br />

diesel fuel used by Canadian railways was<br />

147 ppm. This is down from the average <strong>of</strong><br />

500 ppm in 2008 and 1,275 ppm in 2006.<br />

As noted in Section 5, this resulted in a<br />

lower emission factor used to calculate<br />

the emitted amount <strong>of</strong> oxides <strong>of</strong> sulphur<br />

(SOx, but expressed as SO 2 ).<br />

Influencing railway diesel fuel properties<br />

has been the requirement, effective<br />

June 1, 2007, to comply with the<br />

Environment Canada regulation limiting<br />

sulphur content to 500 ppm (or 0.05 per<br />

cent). This precedes a further reduction<br />

that will come into effect June 1, 2012,<br />

limiting sulphur content to 15 ppm (or<br />

0.0015 per cent) – referred to as ultralow<br />

sulphur diesel (ULSD) fuel. The fact<br />

that the 2008 average sulphur content<br />

was lower than 500 ppm shows that ULSD<br />

is already being used extensively. VIA<br />

Rail Canada and the commuter railways<br />

have, since 2007, standardized on the<br />

use <strong>of</strong> ULSD fuel.<br />

Photo courtesy <strong>of</strong> VIA Rail<br />

13 LEM 2008

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!