Agence France-Presse: CARS running on sugarcane ethanol can produce as many harmful pollutants as those using ordinary petrol, according a study published by Brazil’s environment ministry. But the report on the emissions of the cars on Brazil’s roads did not count carbon dioxide emissions. “We want to make sure that customers are aware of pollutant emissions” when they buy a car, Environment Minister Carlos Minc said. The study ranked emissions based of a scale of “green grades” that …