While General Motors works toward its vision of zero crashes, zero emissions and zero congestion, the company is committed to improving fuel economy and reducing emissions through its dexos® engine oil specifications. The results are engine oils designed specifically for GM engines that improve performance in parameters over conventional oil. The dexos® trademark represents high-quality, robust oil formulated to some of the most rigorous specifications in the industry. GM wants to ensure that every GM vehicle worldwide has access to the highest quality oil formulated to perform well and reduce vehicle emissions.