The institute has been independently evaluating the environmental properties of vehicles since 1997. The certificate is awarded to vehicles that achieve a rating of at least 90 percent on the detailed evaluation criteria which includes not only fuel consumption, noise and pollutant emissions, but also ecological criteria such as production, procurement, logistics and recycling as well as the manufacturer's environmental management. The A4 2.0 TDI has excellent fuel economy of 6.0 L per 100 km / 39.2 mpg and comes standard with a diesel particulate filter.
Analysis: Recognition for excellent environmental performance is exactly what the major auto companies need as it allows them to leverage the recognition through their marketing efforts. Good work Audi.