Electric vehicle roundup: 1) The NHTSA says vehicles traveling slower than 18 mph must make an...

|By:, SA News Editor

Electric vehicle roundup: 1) The NHTSA says vehicles traveling slower than 18 mph must make an audible noise that can be detected by bicyclists and pedestrians. The agency thinks the measure will only add about $35 to manufacturing costs. 2) Year-end sales totals for Chevrolet Volt (GM) indicate the model saw sales grow 206% to 7,671 units, below some early sales targets but above dour estimates from notable EV critics. 3) Chatter on the Tesla (TSLA) Forums indicates the automaker saw a surge of activity late in Q4 which could tip off it met its quarterly production goal.