Unpaid DC traffic tickets in the millions

Speed cameras in the district often catch people off guard, and then they’re slapped with a big fine in the mail. Depending on how fast they’re speeding or the traffic law they’re violating, the cost quickly adds up.

Tesla announces big plans for cheaper iron-based batteries

Tesla Inc. is planning to install iron-based batteries that are not only cheaper, but less of a fire hazard, in a version of an affordable electric vehicle and a semi heavy electric truck, according to reports.