Complex sentence: She has been an avid environmentalist since she was a teenager and bought a fully electric vehicle, the Toyota RAV4-EV in 2003 and rebuilt her house in "green" in 2004.
Split into simpler sentences: She has been an avid environmentalist since she was a teenager and was the proud owner of a fully electric vehicle Toyota RAV4-EV made in 2003. She rebuilt her house in "green" in 2004.