November 29, 2020

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The ACEA 2016 Sequences: Efficiency and protection for tomorrow’s engines

Since 1996, when they were first introduced, the European engine oil sequences from ACEA (Association des Constructeurs Europeens de l’Automobile) have been regularly reviewed and updated. They specify the minimum requirements for service fill oils used in gasoline and diesel engines, covering both passenger cars and commercial vehicles. The ACEA sequences include categories providing compatibility with advanced exhaust aftertreatment systems. They form the foundation for most European original equipment manufacturer (OEM) specifications and are also widely used in developing markets.

December 22, 2015
The Future of Bio-based Fuels & Chemicals: A Thought Experiment

The focus of my talk will be on Change! 1925 Nobel-Prize winner and Irish playwright, George Bernard Shaw once said, “Progress is impossible without change, and those who cannot change their minds cannot change anything.” Globally, it has been recognized that there is an urgent need to create paradigm shifting disruptive technology that would help sustain individual economies – with the goal to sustain life on earth, while simultaneously creating a successful and profitable business model.

December 22, 2015
Dr. Ming Zheng
Challenges and strategies of clean combustion in automotive natural gas engines

Natural gas deserves to be a primary fuel for automotive engines because of the abundant supply in the world. As a gaseous fuel, natural gas differs from liquid petroleum and biofuels fundamentally in combustion. The primary constituent of natural gas, methane (CH4), is a very stable species that is difficult to burn completely. The activation energy for methane oxidation is much higher than most other hydrocarbon fuels. Therefore, a high flame temperature is generally required to oxidize methane completely.

November 18, 2015