Reports from Canada and New York (New York State Energy Research and Development Authority) (NYSERDA) reveal the plug in version of the Escape can achieve 130mpg! Go to this link here: http://www.marketwire.com/mw/release.do?id=758503

another link for the battery:
http://www.electrovaya.com/innovation/innovation.html

2005 AWD Escape Hybrid
Best Interstate tank trip MPG 39.02 (scangauge II) for 402 miles on I-70, 10.3 gallons used over mostly flat terrain.

Best Interstate tank trip E30 MPG 34.6 for 271 miles along I-80 in Indiana and Ohio.

Best multiple road tank trip E30 MPG 36.2 for 202 miles in Southwestern Pa.