Other
North Central Texas Council of Governments: Current Emission Standards
Outlines Texas emissions standards for light-duty, medium-duty, and heavy-duty vehicles. Includes downloadable reference chart of emissions standards.
Other
Dmv.org: Smog Check and Car Inspection in Texas
A resource site for information on rules and regulations around vehicle safety inspection and emissions testing in Texas. Contains links to forms and requirements, what to do if your vehicle fails a test, and what the inspection and test...
PBS
Pbs News Hour Extra: Voters to Choose Between Economy and Environment
Although this lesson plan deals with the a California vote for 2010 Elections, the subject matter will need to be addressed time and time again: economy vs. environment. Green energy is more expensive. Many companies would have to go out...