Automotive giant Volkswagen has announced a huge $5billion (£3.945billion) investment into electric vehicle rival Rivian as part of plans to share EV plans. The investment will help Rivian develop its cheaper R2 electric SUV which is expected to roll out in 2026, while also developing future models. Volkswagen will initially invest $1billion (£739million) in Rivian to form a new, “equally controlled joint venture” which will see the two brands share software for future electric vehicles. Rivian originally made a major splash in the electric vehicle space in 2021 when it began delivering its R1…