This article is from the source 'bbc' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.bbc.co.uk/news/technology-37171455

The article has changed 4 times. There is an RSS feed of changes available.

Version 0 Version 1
Tesla's Elon Musk says new car battery is a milestone Tesla's Elon Musk says new car battery is a milestone
(35 minutes later)
Tesla Motors has unveiled a new battery pack for the performance versions of its Model S and X cars that will extend the range and mean faster acceleration.Tesla Motors has unveiled a new battery pack for the performance versions of its Model S and X cars that will extend the range and mean faster acceleration.
Elon Musk, chief executive of the electric carmaker, hailed the upgraded battery as a "profound milestone". Elon Musk, chief executive of the electric car maker, hailed the upgraded battery as a "profound milestone".
He said the battery cell chemistry is the same, but the reconfigured product stored more energy in the same space.He said the battery cell chemistry is the same, but the reconfigured product stored more energy in the same space.
Tesla, which this month posted a steeper-than-expected loss, is adding a new sedan car to its sports line-up.Tesla, which this month posted a steeper-than-expected loss, is adding a new sedan car to its sports line-up.
Mr Musk claimed that the new 100-kilowatt hour battery pack means high-end versions of the Model S sedan, called the P 100D, will be the world's fastest accelerating car in production.Mr Musk claimed that the new 100-kilowatt hour battery pack means high-end versions of the Model S sedan, called the P 100D, will be the world's fastest accelerating car in production.
"These are very profound milestones and I think will help convince people around the world that electric is the future," he said on a conference call with journalists."These are very profound milestones and I think will help convince people around the world that electric is the future," he said on a conference call with journalists.
The new battery extends the range of performance versions of the new Model S well beyond 300 miles (482.8 km), from about 290 miles, Tesla said.The new battery extends the range of performance versions of the new Model S well beyond 300 miles (482.8 km), from about 290 miles, Tesla said.
Mr Musk said that in cool weather, a driver could travel from San Francisco to Los Angeles - a nearly 400 mile drive - without recharging.Mr Musk said that in cool weather, a driver could travel from San Francisco to Los Angeles - a nearly 400 mile drive - without recharging.
In May, Tesla said it was stepping up production plans for its upcoming Model 3 mass-market sedan and would build a total of 500,000 all-electric vehicles in 2018, two years ahead of schedule.In May, Tesla said it was stepping up production plans for its upcoming Model 3 mass-market sedan and would build a total of 500,000 all-electric vehicles in 2018, two years ahead of schedule.
But the company also warned that investment would ramp up as well.But the company also warned that investment would ramp up as well.