SAN FRANCISCO--(BUSINESS WIRE)--Impossible Foods accelerates launch of Impossible Burger 2.0 due to unprecedented demand. : SAN FRANCISCO--(BUSINESS WIRE)--In response to overwhelming demand from critics and restaurateurs, Impossible Foods is accelerating the rollout of Impossible Burger 2.0 to about 200 restaurants nationwide this week and to thousands more over the upcoming weeks. The next-generation version of the plant-based Impossible Burger contains no gluten, animal hormones or antibiotics. It’s kosher- and halal-certified.