It won't be breathalyzer data. From the article: "The type of technology that would be used is far from settled, with Congress stopping short of endorsing ignit

It won't be breathalyzer data. From the article: "The type of technology that would be used is far from settled, with Congress stopping short of endorsing ignition lock devices like those that are often required by the courts for drunken-driving offenders and involve a breath test."