North American and European Q3 2006 cleantech investment totaled $1.081 bln. More than $934 mln was invested in North American cleantech companies in Q3 2006, 14% of the overall $6.5 bln invested, making cleantech the third largest venture capital category for the quarter. Venture capital investment in European cleantech companies totaled $147 mln in Q3, or 12% of Europe’s overall total of $1.2 bln. In North America, the largest Q3 cleantech deals were Cilion, Altra, Ion America, Renewable Energy Group and Newmarket Co. totaling $572 mln, or 61.2% of cleantech investment in the Q. The 47 North American cleantech deals represented 5.1% of the 919 venture deals completed in the Q. The average cleantech deal size was $19.8 mln compared to the overall average VC deal size of $7.1 mln. The largest cleantech deals in Europe included Ocean Power Delivery Ltd., Keronite International Ltd., DeepStream Technologies Ltd., Protalix Biotherapeutics Ltd., and Replisaurus Technologies AB. The $88 mln invested in the five deals represented 59.8% of all cleantech investment. European cleantech venture investment YTD Q3 is running 20% behind the same period 2005, Cleantech Venture Network says.