Julia Roberts’ newest role is spokesperson for Earth Biofuels, the Associated Press reports.

Roberts will be the alternative energy company’s spokesperson in promoting alternative fuel, and will chair the company’s advisory board.

“It’s very important that we expand our use of clean energy and make a long-term commitment to it. Biodiesel and ethanol are better for the environment and for the air we breathe,” Roberts said in a statement.

The actress will work with the company to try to get 500,000 school buses nation wide to switch to biodiesel fuel.

Actor Morgan Freeman and singer Willie Nelson are also on the Dallas company’s board of directors.






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