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		</otherManager><votingAuthority><Sole>6000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ENPHASE ENERGY INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>29355A107</cusip><value>70</value><shrsOrPrnAmt><sshPrnamt>59339</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>59339</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>FLOWSERVE CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>34354P105</cusip><value>1737</value><shrsOrPrnAmt><sshPrnamt>36003</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>36003</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>FUELCELL ENERGY INC</nameOfIssuer><titleOfClass>COM NEW</titleOfClass><cusip>35952H502</cusip><value>179</value><shrsOrPrnAmt><sshPrnamt>33000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>33000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>IDEAL PWR INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>451622104</cusip><value>76</value><shrsOrPrnAmt><sshPrnamt>14700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>14700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>IDEX CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>45167R104</cusip><value>1928</value><shrsOrPrnAmt><sshPrnamt>20611</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>34196</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>IXYS CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>46600W106</cusip><value>169</value><shrsOrPrnAmt><sshPrnamt>14000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>14000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>MASCO CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>574599106</cusip><value>2307</value><shrsOrPrnAmt><sshPrnamt>67224</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>67224</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>MICROCHIP TECHNOLOGY INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>595017104</cusip><value>808</value><shrsOrPrnAmt><sshPrnamt>13000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>13000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>MONOLITHIC PWR SYS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>609839105</cusip><value>644</value><shrsOrPrnAmt><sshPrnamt>8000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>8000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>NEW JERSEY RES</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>646025106</cusip><value>805</value><shrsOrPrnAmt><sshPrnamt>24500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>7500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ON SEMICONDUCTOR CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>682189105</cusip><value>659</value><shrsOrPrnAmt><sshPrnamt>53500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>53500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PARKER HANNIFIN CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>701094104</cusip><value>2999</value><shrsOrPrnAmt><sshPrnamt>23894</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>23894</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PATTERN ENERGY GROUP INC</nameOfIssuer><titleOfClass>CL A</titleOfClass><cusip>70338P100</cusip><value>301</value><shrsOrPrnAmt><sshPrnamt>13400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>13400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PENTAIR PLC</nameOfIssuer><titleOfClass>SHS</titleOfClass><cusip>G7S00T104</cusip><value>2814</value><shrsOrPrnAmt><sshPrnamt>43811</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>DFND</investmentDiscretion><otherManager>
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