Mr Browell says these could eventually be responsible for cutting carbon emissions by up to 80%. He points to the success of several test flights using biofuels.
布朗维尔称新能源的应用最终能帮助削减80%的碳排量，并指出生物燃料试航已获成功。
Mr Browell says these could eventually be responsible for cutting carbon emissions by up to 80%. He points to the success of several test flights using biofuels.
布朗维尔称新能源的应用最终能帮助削减80%的碳排量，并指出生物燃料试航已获成功。
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