Complex sentence: In 2010 the company reported that it was aiming for each road 12 feet by 12 feet panel to cost around $10,000 and each mile would cost $4.4 million.
Split into simpler sentences: In 2010 the company reported that it was aiming for each road 12 feet by 12 feet panel to cost around $10,000. Solar Roadways estimated the each mile would cost $4.4 million.