Clean Diesel Technologies, Inc. Announces Selected Preliminary Third Quarter 2011 Financial Results

Clean Diesel Technologies, Inc. (NASDAQ:CDTI - News) ("Clean Diesel"), a cleantech emissions reduction company, announced today selected unaudited preliminary third quarter 2011 financial results. Clean Diesel also announced today that it has entered into an equity purchase agreement with Lincoln Park Capital Fund, LLC, a Chicago-based institutional investor firm.

Clean Diesel Technologies, Inc. Receives Orders to Supply Diesel Retrofit Products for CARB Special Compliance Option

Clean Diesel Technologies, Inc. (NASDAQ:CDTI ) ("Clean Diesel"), a cleantech emissions reduction company, announced today that its Heavy Duty Diesel Systems division has received nearly $2.0 million in orders for its verified (approved) emission reduction products. Clean Diesel's receipt of these orders, which represent approximately 200 emission reduction systems, follows the announcement on April 6, 2011 by the State of California's Air Resources Board (CARB) of a special compliance option for California on-road diesel fleets pertaining to the current "Truck and Bus Regulation." CARB offered an early action compliance credit for trucking fleets that install a diesel particulate filter by July 1, 2011 or that made a commitment to purchase a diesel particulate filter by May 1, 2011. The early action "buy-one-get-one-free" credit applies to heavier trucks and there is no limit on how many trucks in the fleet can earn the early adoption credit.

UQM Technologies Supplying Electric Drive Motors for Audi A1 e-tron Test-fleet Build

Audi A1 e-tron development vehicles are powered by UQM PowerPhase(R) electric propulsion systems

--UQM develops and produces energy-efficient electric motors, generators and power electronic controls for electric and hybrid vehicles

UQM Technologies, Inc. (NYSE Amex: UQM), will supply PowerPhase electric propulsion systems as part of an Audi test-fleet build and vehicle development process for its A1 e-tron all-electric vehicle.

"This fleet order from Audi further validates the ability of our products to meet the demanding requirements of major automotive customers," said Eric R. Ridenour, President and CEO of UQM Technologies. "We are extremely well-positioned and prepared for growth as the electrification market continues to develop and expand."

Westport Announces Cooperation with Volvo

~Westport to Develop & Supply Natural Gas Fuel System for Heavy Duty Engines~

Westport Innovations Inc. (TSX:WPT/ NASDAQ:WPRT), a global leader in alternative fuel, low-emissions transportation technologies, today announced that Volvo has entered into an agreement with Westport as a Tier 1 Development Supplier for its heavy duty natural gas engines and associated supply chain. Westport will supply its Westport HD technology and work together with the Gothenburg, Sweden engine manufacturer to qualify appropriate suppliers consistent with Volvo volume and quality expectations. The new natural gas engines are expected to meet future European emission requirements.