Link enough small flashlight-sizebatteries together and hook them up to a solar charger and you can drive from Texas to California in about a week.At least that’s the plan for a group of students and their teachers from Greenville High School, northeast of Dallas.The Iron Lions team from Greenville was operating one of 16 solar-powered cars that rolled through Lamesa Monday as part of the Solar Car Challenge.The challenge this year is for the students to drive a solar-powered vehicle of their own creation – from concept through construction – a distance of about 1,400 miles from Fort Worth to ...