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By Nico Colombant Dakar 29 November 2007 African government officials, economists and scientists have met for three days in Burkina Faso to discuss the local production and use of biofuels. VOA's Nico Colombant reports from our West and Central Afri
VOA常速英语2007年（十一月）
With rising fuel prices, more attention is turning to biofuels. But (the) use of food crops for biofuel raises the concern of food shortages. But one non-food biofuel source is gaining attention. Just inland from the southern Mozambique beach resort
国家地理2008年
This is the VOA Special English Agriculture Report. Biodiesel is made from plant oils or animal fats. Producers of this renewable fuel often use oils like soybean or palm oil. But a wild plant called Jatropha curcas (JAT-ruh-fuh KUR-kas) is getting
VOA慢速英语2007年（十）月
By Brian Wagner Miami 02 November 2007 Haiti is looking to a small shrub called jatropha to fuel an alternative energy boom that may help cut the impoverished country's reliance on oil and charcoal. VOA's Brian Wagner reports the efforts already are
VOA常速英语2007年（十一月）
Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr
VOA标准英语2008年（八月）
Voice 1 Welcome to Spotlight. Im Colin Lowther. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live Voice 1 Mr. Banani is a farmer in th
环球英语 Spotlight