A portal website bringing together vital information about natural gas and natural gas vehicles.
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Q1-2011 | |
| Gasoline | $1.54 | $1.47 | $1.40 | $1.54 | $1.97 | $2.44 | $2.23 | $2.76 | $3.23 | $2.23 | $2.74 | $3.08 |
| Diesel | $1.49 | $1.46 | $1.31 | $1.57 | $1.74 | $2.52 | $2.62 | $2.96 | $3.89 | $2.49 | $2.98 | $3.45 |
| Natural Gas | $0.95 | $1.24 | $1.13 | $1.27 | $1.40 | $1.84 | $1.90 | $1.94 | $2.02 | $1.68 | $1.90 | $1.93 |
| NG Highpoint | $1.02 | $1.30 | $1.20 | $1.35 | $1.56 | $2.12 | $1.99 | $2.09 | $2.34 | $1.86 | $1.93 |