Tesla Model X According to Tesla Motors, deliveries were lower than expected because production was impacted by severe Model X supplier parts shortages in the first two months of 2016, and because Tesla had been too ambitious in wanting advanced features (committed "hubris"). The first Model X that didn't need corrections was made in April 2016. Sales during the second quarter of 2016 totaled 4,638 units. Although production was up 20% from the previous quarter, the number of vehicles in transit at the end of June 2016 was much higher than expected (5,150 including Model S cars), representing 35.8% of the number of
Environmental aspects of the electric car emissions from battery replacements (battery replacement of regular lithium-ion batteries needs to be done every 2–3 years; lithium-ion batteries from cars typically last longer though). Furthermore, two other studies suggest a 100kWh battery would generate about 6-6.4 tons of CO2 emissions, so significantly less than what the IVL study claims. Climate Summit 2014, September 2014 Environmental aspects of the electric car Electric cars can have several environmental benefits over conventional internal combustion engine automobiles, such as Furthermore, the carbon dioxide emitted for the manufacturing should be taken into account. Electric cars also have disadvantages, such as: Electric cars usually also