If we're talking about practical electric cars that were (or could have been) mass-produced and driven practically, however, then the first electric car was most likely built by Thomas Parker, a British inventor, in 1884.
however roboteconomic s colin lewis did some back of the napkin math to figure out whether drones could save amazon some cash his conclusion yes he believes amazon s average shipping cost is $ 2 to $ 8 with drones if amazon prices it right the cost could be as low as $ 2 a shipment
1 According to a study by the March of Dimes Foundation, the average out-of-pocket cost for a vaginal delivery for privately insured patients was $463 and for a C-section, $523. 2  Usually, the baby receives a separate bill, which typically ranges from $1,500 to $4,000 for a healthy baby delivered at term. For patients not covered by health insurance, the typical cost of a vaginal delivery without complications ranges from about $9,000 to $17,000 or more, depending on geographic location and whether there is a discount for uninsured patients.