Since we're talking about the I-66 corridor, you are incorrect.
"http://www.virginiadot.org/news/northern_virginia/2008/hov_exemption_for_hybrid.asp"
Partial quote:
"RELEASE:
CONTACT: IMMEDIATE
Mike Salmon (703) 383-2055
mike.salmon@vdot.virginia.gov
NR08-28
March 18, 2008
HOV Exemption for Hybrid Vehicles Extended to June 30, 2009
Hybrid vehicles with the required clean fuel license plates will continue to be able to use the I-95/395, I-66 and Dulles Toll Road HOV lanes until June 30, 2009, according to the Virginia Department of Transportation. The Virginia General Assembly approved a one-year extension which was signed into law by Governor Kaine on March 10.
In order for a hybrid vehicle to use Virginia’s HOV lanes during the morning and afternoon rush hours, the vehicle must have a clean special fuel plate issued by the Department of Motor Vehicles (DMV). Not all hybrids qualify for clean fuel license plates but the following do: 2004 Honda Civic, 2004 Honda Insight, 2004 Toyota Prius, 2005 Toyota Prius, 2005 Honda Insight, 2005 Honda Civic, 2005 Ford Escape, 2006 Ford Escape, 2006 Toyota Highlander, 2006 Toyota Prius, 2006 Lexus RX400, 2006 Mercury Mariner, 2006 Honda Accord, 2006 Honda Civic, 2006 Honda Insight, 2006 Mazda Tribute, 2007 Toyota Camry, 2007 Lexus GS450h, 2007 Lexus RX400h, 2007 Ford Escape, 2007 Mercury Mariner, 2007 Honda Accord, 2007 Honda Civic, 2007 Toyota Highlander, 2007 Toyota Prius, 2007 Nissan Altima 2.5, 2008 Ford Escape, 2008 Honda Civic, 2008 Lexus GS450h, 2008 Lexus RX400h, 2008 Lexus LS600h, 2008 Mazda Tribute, 2008 Mercury Mariner, 2008 Nissan Altima 2.5, 2008 Toyota Camry, 2008 Toyota Highlander, 2008 Toyota Prius. Motorists should check the DMV Web site, www.dmvnow.com for an updated list of eligible hybrids.
2009 vehicles that currently qualify:
2009 Ford Escape, Honda Civic, Lexus GS450h, Lexus LS600h,
Mazda Tribute, Mercury Mariner, Toyota Camry, Toyota Camry Hybrid 2.4 L.,
Toyota Highlander, Toyota Prius