From the category archives:

Hybrid

Project IRX: Insight-CRX Renaissance Experiment [Part I]

by Benjamin Jones on September 1, 2009

Yaris and Fit to Become Dueling Hybrids

by Benjamin Jones on August 16, 2009

DIY Car Solar Roof

by Benjamin Jones on August 14, 2009

Pulse and Glide Your Prius for Super Fuel Economy

by Benjamin Jones on August 12, 2009

GM Claims 230 MPG City for 2011 Volt

by Benjamin Jones on August 11, 2009