Problem definition. In the US auto market, the California Air Resources Board (CARB) implements a stricter fuel economy standard in California than the federal standard implemented by the US Environmental Protection Agency (EPA). The Trump administration’s 2018 announcement to freeze the EPA...

Problem definition: Ugly produce refers to cosmetically-unconventional yet taste- and nutrition-wise perfectly edible produce. Advocates claim that selling ugly produce in grocery stores helps reduce food waste. Skeptics, however, argue that ugly produce meets alternative demands such as juice...