USING BIODIESEL

 

 

No engine modification required

Biodiesel will run in any conventional, unmodified diesel engine.

 

Fuel filter change

Biodiesel has very good solvent properties and therefore breaks down deposits (tars, varnishes, waxes etc) left by mineral diesel.  We        therefore recommend a fuel filter change shortly after you start using (after about 500-1,000 miles).

 

Winter use

In winter, biodiesel made from used cooking oil will tend to gel up at about -3⁰ Celcius.  We will be introducing an anti-waxing agent into       our biodiesel to alleviate this problem.  If there are no coldflow additives, it is advisable to use low % blends (no higher than 50%     

biodiesel).

 

Issue with older cars

Biodiesel will gradually degrade rubber hoses and gaskets in older cars.  With the introduction of low sulphur diesel, cars built after 1988       have synthetic pipes which should be ok for 100% biodiesel.  As a general rule, check your hoses and gaskets if your vehicle is older than

1990.  All rubber components in the fuel delivery system should be replaced with synthetic (plastic) components

 

Issue with newer HDi engines

 

Some newer vehicles have high pressure fuel systems using HDi fuel pumps.  In isolated cases, certain diesel vehicles have failed as a    

result of using 100% biodiesel.  Whilst sometimes this can be attributed to low quality fuel, some pumps cannot cope with pure biodiesel

because of its higher viscosity.  This, however, does not prevent the use of biodiesel and we recommend that no more than a 20% blend

with mineral diesel (B20) be used in these vehicles.  You can check the suitability of your pump for biodiesel at following link:

http://www.dieselbob.co.uk/vegetable.asp.