Vempati presented his team's results last week at the Green Chemistry and Engineering conference in College Park, Md.

上周，在马里兰大学园举行的绿色化学与工程会议上，Vempati展示了研究团队的研究成果。

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The process releases some carbon dioxide, but Rajan Vempati says it would be reabsorbed into the soil naturally.

VOA: special.2009.12.01

Rajan Vempati led a group that developed a new process to make rice hulls into ash.

VOA: special.2009.12.01

Rajan Vempati thinks rice hull ash could help the concrete industry produce less carbon dioxide.

VOA: special.2009.12.01