Author and journalist Vijay Vaitheeswaran discusses the relative merits of alternative energy sources. He says spending on hybrid cars is an investment in the future, more than a way to save money now. Vaitheeswaran also says there are parts of the country, where solar is price competitive with fossil fuels.
Vijay Vaitheeswaran is a correspondent for The Economist and the author of the book Power to the People.
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