U.S., EU vow emissions crackdown in wake of VW scandal
* EU says has zero tolerance for fraud on emissions
* U.S. to require tests under normal road conditions, not just in labs
* Change could be hard, industry is resistant -EU source
* Automakers could see higher costs from additional tests
By Timothy Gardner, David Morgan and Barbara Lewis
WASHINGTON/BRUSSELS, Sept 25 (Reuters) - Government regulators on both sides of the Atlantic vowed on Friday to toughen auto emissions tests in the wake of Volkswagen's admission it cheated on diesel emissions, but some officials and environmentalists doubted the pledges would be easily achieved.
The U.S. Environmental Protection Agency notified auto manufacturers in a letter that they could require additional tests for "any vehicle" to determine whether it meets emission standards under normal road conditions, not just at controlled testing facilities.
"We aren't going to tell them what these tests are. They don't need to know," Chris Grundler, an EPA official, told reporters.
Any changes could mean higher costs for automakers, particularly any that become subject to recalls or production changes, as well as bigger regulatory hurdles in obtaining certifications. Continued...