Even electric vehicle leader Tesla TSLA.O is seeing "significant" inflation for raw materials and logistics, its Chief Executive Elon Musk said on Sunday. March 14 (Reuters) - Electric-car makers may have to rethink how they source raw materials as the surge in commodity prices due to Russia's invasion of Ukraine puts pressure on their profit margins, analysts at RBC wrote in a note on Monday. "Just turning on the lights in the plant and transportation of goods cost more now and is a margin pressure," RBC analyst Joseph Spak wrote in the note.