today we, again, welcome david strickland, the administrator of the national highway safety administration before our subcommittee. at two recent hearings, we heard testimony from department of transportation officials. first on regulations proposed by the department related to standards for vehicle fuel efficiency. and then on the number of hours truck drivers can work between mandatory rest periods. at those hearings, the majority criticized the department of transportation for considering stricter regulations claiming they were harmful to business and the economy. today by contrast, the question is whether the department of transportation was strict enough in the regulatory oversight of one product, the chevy volt electric vehicle by general motors. the title to have day's hearing is what did ntsa know about the volt vehicle fire and when did they know it? a very detailed, 135-page final report by the national highway traffic safety administration, ntsa, on its investigation into the volt battery fire incident which was made public on friday provides detailed answers to the question thi