CDTI Advanced Materials, Inc. is an American company that focuses on providing vehicle emissions control systems for heavy duty and light duty diesel pollution control. The company has two divisions, including Heavy Duty Diesel Systems division, which focusing on developing and producing exhaust emission control device, and Catalyst division engaged in developing catalyst applied for emission reduction. The company has two self-developed and patented intellectual properties including MPC, a catalyst manufacturing process, and Platinum Plus, a diesel soluble additive. Their products have received US Environmental Protection Agency verification and have been widely used in highway automobile engines. Wikipedia