CIVC Partners has agreed to sell Thermo Fluids Inc., a Scottsdale, Ariz.-based producer of commercial fuel oil from recovered used motor oil in the Western U.S., to Heckmann Corp. (NYSE: HEK). The deal is valued at $245 million in cash and stock. Houlihan Lokey managed the sale. www.thermofluids.com

Gamesa (Milan: GAM), a Spanish engineering company, has agreed to sell four U.S. wind parks to Canada’s Algonquin Power & Utilities Corp. (TSX: AQN) for approximately US$888 million.

Cornerstone OnDemand (Nasdaq: CSOD) has agreed to acquire Sonar Ltd., a New Zealand-based provider of cloud-based talent management solutions to small businesses. The deal is valued at $14 million, including $13 million in cash. www.cornerstoneondemand.com

Chris Hughes, a Facebook co-founder credited for President Obama’s 2008 digital media strategy, has acquired The New Republic magazine from Marty Peretz. No financial terms were disclosed. Hughes will serve as editor-in-chief.

The London Stock Exchange has agreed to acquire a 60% stake in clearing house group LCH.Clearnet, at an enterprise value of €813 million. www.lchclearnet.com

Sun Capital Partners has agreed to sell Fluid Routing Solutions, a maker of fuel management systems and hose extrusion products for major automotive and industrial OEMs, to a subsidiary of Park-Ohio Holdings Corp. (Nasdaq: PKOH). No financial terms were disclosed for the deal, which is expected to close later this month.

Wal-Mart Stores Inc. won the dismissal of a lawsuit seeking to block its $2.4 billion acquisition of a majority stake in South African discount retailer Massmart, which had been brought in a South African court by local government and labor union groups.

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