On Tue, 20 Jul 2010 21:06:10 -0400, Frank wrote:
It's a local thing:

CARB (California Air Resource Board) states
http://www.pfcma.com/States_Compliance.htm

CARB/OTC Portable Fuel Container & Spout Regulation
Updated Apr 2008

State: Transition Date: Full Compliance Date
California Jan-01-00 Jan-01-01 Phase II regulation: Jul-01-07
Delaware Jan-01-02 Jan-01-03
Maryland Jan-01-02 Jan-01-03
New York Jan-01-02 Jan-01-03
Pennsylvania Jan-01-02 Jan-01-03
Maine Jan-01-03 Jan-01-04
Virginia Jan-01-05 (specific counties only)
Connecticut May-01-04 May-01-05
Washington DC Jan-01-05 Jan-01-06
New Jersey Jan-01-05 Jan-01-06
Texas Jan-01-06
New Hampshire Mar-01-06 Mar-01-07
Ohio Jul-01-07
Massachusetts Massachusetts Department of Environmental Protection is
awaiting implementation of the U.S. EPA nation-wide Portable Fuel Container
Rules scheduled for January 2009.
Rhode Island Rhode Island Department of Environmental Management is
awaiting implementation of the U.S. EPA nation-wide Portable Fuel Container
Rules scheduled for January 2009.
Vermont The VT DEC (Dept of Environmental Conservation) is awaiting
implementation of the U.S. EPA nation-wide Portable Fuel Container Rules
scheduled for January 2009.
Illinois The IEPA is currently awaiting implementation of the U.S. EPA
nation-wide Portable Fuel Container Rules scheduled for January 2009.
National EPA Administrator signed proposed rule similar to CARB's revised
rules. Implementation date is January 2009