The issue focused on cars with engines using technologies known as hybrid engines and engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines using engines