For the Roaring Fork Transit Agency in environmentally friendly
, switching all
of its buses to biodiesel seemed like a good idea.
But according to the Post
Independent, a Glenwood Springs, CO, newspaper, the switch almost
shut down the entire fleet this past fall. That could have posed some major
problems because the RFTA operates bus services for seven communities in a
two-county area in
The RFTA began using a 5 percent biodiesel blend in its fleet in
October 2005 and – in a situation similar to the one still being investigated
– began experiencing problems almost immediately.
The culprit, according to the Post
Independent, was algae growth in the biodiesel, which was blocking
fuel filters and causing problems with fuel pumps in the fleet.
A spokesman for the RFTA told the Post
Independent that the problem is common in biodiesel and can be fixed
with an anti-algae additive. However, the biodiesel supplier did not inform the
RFTA that there might be a problem.
Now the problem is fixed, the RFTA said it plans to continue using
biodiesel in an effort to wean itself from petroleum products produced in other