(CNSNews.com) – John Holdren, President Barack Obama’s top science and technology advisor, said at a White House summit on clean energy on Tuesday that a “global low-carbon economy” by the year 2050 means that “cars, trucks and planes” will be powered by “electricity, biofuels or hydrogen.”
“As we all know, a global low-carbon economy in 2050 is going to have to meet the energy needs of 9 or 10 billion people using technologies that will have to be more advanced than the technologies that are in place today,” he said. “Buildings, agriculture, machines must be dramatically more energy-efficient.”
“Cars, trucks and planes are going to have to run on electricity, biofuels or hydrogen,” Holdren said. "Electricity generation is going to need to come primarily from renewables and nuclear energy.
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