Chevron (CVX -0.14%) is an integrated oil and gas major with a growing exploration and production business, sizable refining segment, investments in low-carbon solutions, and more. But the stock has fallen roughly 16% from its 52-week high -- a swift decline considering the high came less than two months ago.With a yield of 4.8%, here's why Chevron is an excellent dividend stock for passive income investors to scoop up now. Chevron continues to deliver results even at mediocre oil pricesBrent crude oil pric ...