Science in Hong Kong: Volume 6, Autumn 2009 p25
Introduction
Nowhere else in the world has a heavier traffic density than that of Hong Kong.
Vehicles in Hong Kong
are responsible for roughly 15% of the total carbon dioxide (CO2) emission
1,2
.
So it is...
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Science in Hong Kong: Volume 6, Autumn 2009 p25
Introduction
Nowhere else in the world has a heavier traffic density than that of Hong Kong.
Vehicles in Hong Kong
are responsible for roughly 15% of the total carbon dioxide (CO2) emission
1,2
.
So it is worthwhile
putting efforts into the development of a clean energy industry in Hong Kong.
In many aspects,
biodiesel is a good choice.
In the following paragraphs, the general features of biodiesel will be
introduced and then its benefits for Hong Kong will be explained
Biodiesel and Waste Vegetable Oil
Biodiesel is an alternative fuel choice for diesel vehicles.
It is derived from vegetable oils or animal
fats
3
.
The feedstock is first chemically transformed into purer products and then used in vehicles with
or without blending with regular diesels.
Biodiesel is compatible with almost all of the current diesel
engines
3
.
Waste vegetable oils (WVOs) are inedible vegetable oils from the kitchens of homes and
restaurants.
Althoug
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