Toyota rolls out first hybrid -only Lexus model with hopes green cars will boost lagging sales. July 14th, 2009 Toyota rolls out first hybrid -only Lexus modelTOKYO — Toyota rolled out its first hybrid -only Lexus luxury model Tuesday, … overtime to meet demand for small cars , underlining the potential of their green vehicle strategies to underpin recovery from the auto slump. As part of a growth strategy that hinges on its strength in hybrid technology, Toyota Motor Corp. …