Hartford Ventures' backing of Coulomb Technologies reaps strategic benefit.

Alstom invested $75m in BrightSource's E round, in addition to $55m committed last year as part of a $176m D round.

US-listed disposal company Waste Management and Total Energy Ventures International, the corporate venturing unit of French oil major Total are new investors in Agilyx.

FutureE Fuel Cell Solutions gains an undisclosed amount from a T-Venture-led consortium.

GE Energy Financial Services, a unit of US-listed industrial conglomerate General Electric, has backed SustainX last year as part of the first tranche of money from its $200m Ecomagination corporate venturing fund.

Veolia Innovation Accelerator has partnered five companies, including Envolure, a France-based environmental analysis maker, software company Cosmo, Canada-based Ostara Nutrient Recovery Technologies, GreenRoad, a US fuel-saving start-up, and Advanced Cyclone Systems, a Portugual-based company to filter industrial pollutants.

According to a regulatory filing, $122m has come from 36 investors after advice from Advanced Equities, compared to last month's update when $89.6m had been raised from 28 investors against a targeted $100m round.

Google Ventures extends CoolPlanetBioFuels B round to about $20m.

Solazyme, a US-based developer of biofuels through the use of algae, said it had raised $129.3m in equity and its strategic investors were Bunge, Chevron, Unilever and San-Ei Gen ahead of its $100m flotation.