As early as the end of this year, you might be able to hop into your plug-in electric car and drive to Portland, Ore., or Vancouver, B.C., without worrying about finding a charging station. The state has received federal economic stimulus funds to build four or five charging stations along the I-5 corridor from Canada to Oregon. The $1.32 million would ultimately pay for seven to 10 stations on I-5 and I-90. If all goes as planned, Washington will be the first state to have a series of coordinated electric charging stations spanning its borders, said Tonia Buell, a spokeswoman...