Tesla Motors will produce electric Rav4 crossover SUVs for Toyota Motor Co. beginning in 2012, the two companies announced Friday. Toyota announced in May that it planned to invest $50 million in Tesla Motors upon the completion of the electric car maker's initial public offering, which took place on June 29. A fleet of electric Rav4 prototypes will be delivered later this year, the two automakers said. The first prototype has already been built, the said, and is undergoing evaluation.