You can also calculate the cost of driving from Cincinnati, OH to Detroit, MI based on current local fuel prices and an estimate of your car's best gas mileage. If you're meeting a friend, you might be interested in finding the city that is halfway between Cincinnati, OH and Detroit, MI.
Cocoa beans contain caffeine, so the higher the percentage of cocoa in a chocolate bar, the higher its caffeine content. Likewise for coffee: Ounce for ounce, the more diluted the coffee drink, the less caffeine.
Vanilla also can be added for flavor. Most white chocolate contains deodorized cocoa butter as its main ingredient. This means the caffeine-rich solid portions of the cocoa bean have been removed from the chocolate-making process through filtering and the use of steam. Only the natural fat from cocoa bean is used.