Slate Auto is making a bold bet: that the biggest impetus to the EV revolution is price. With a base model that costs just $24,950, the Michigan startup hopes its minimalist, customizable ride will be the antidote to a market in which the average new vehicle costs over $50,000. Affectionately dubbed the Blank Slate, the EV comes in both truck and SUV packages. Understandably, eschewing automatic windows and speakers may not be for everyone. But with a kaleidoscope of vinyl wrap exteriors and...