Tesla Motors Inc. reported a larger first-quarter loss compared with a year ago Wednesday, but the report nearly was overshadowed by the planned departure of two of the company's key manufacturing executives.<br />The electric car maker also said it has ramped up production of its new Model X sport utility vehicle, whose prior delays contributed to the financial losses.<br />Tesla's first-quarter loss using standard generally accepted accounting rules was $282.3 million, compared with a loss of $154.2 million a year earlier.<br />Earlier in the day, Tesla confirmed that Greg Reichow, its vice president of production, and Josh Ensign, vice president of manufacturing, were leaving the Palo Alto company.