Lexus is adding a less-expensive, longer-range version of its RZ electric crossover for the 2024 model year. Called the RZ 300e, the new variant gets a single-motor front-wheel drive powertrain and 72.8-kwh CATL battery pack, versus the dual-motor all-wheel drive powertrain and 71.4-kwh pack from Prime Planet Energy (a joint venture of Panasonic…