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This is with reference to “Want the next big energy source?” (Business Line, August 21). Scientists say research into new generation bio-fuel sources could yield cheap energy supplies that do not compete with food crops, or with Nature, for water or space.

There are already several projects in India on Jatropha Bio-diesel as this type of oil is not edible and consumes very little water through drip irrigation with best standards of maintenance with bio manure. The Tamil Nadu govt is going ahead with massive schemes to encourage bio-fuel crops.

We have to focus only on first generation bio-fuels from crops such as Pongamia or Jatropha, etc., and not from second-generation crops which may not be suitable for our agri-system. It is time the States encouraged the large-scale conversion of barren lands for growing first-generation crops with optimum levels of water consumption.

S. A. Alagarsamy Chennai

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