In this episode of Motley Fool Hidden Gems Investing, Motley Fool contributors Travis Hoium, Lou Whiteman, and Rachel Warren discuss:Rivian’s R2 launch.The decline of EVs in the U.S.Will autonomy be a value add for EV companies?Hidden gems in the EV market.To catch full episodes of all The Motley Fool's free podcasts, check out our podcast center. When you're ready to invest, check out this top 10 list of stocks to buy.Where to invest $1,000 rig…