The Hyundai i40, essentially a Sonata wagon, will make its world debut on March 1 at the 2011 Geneva Auto Show."We have no plans for a Sonata wagon in the U.S.," a Hyundai spokesman told Inside Line on Friday.The Hyundai i40 wagon will be introduced in Europe this year, with a sedan version to follow, the company said.GENEVA — The European-designed Hyundai i40 — essentially a Sonata wagon — will