General Intelligence · Logical Deduction

Based on the given statement, choose the appropriate logical conclusion: Statement: Urban air pollution has reached alarming levels in several metropolitan cities, prompting governments to implement stricter vehicle emission standards. While electric vehicle adoption is increasing gradually, many consumers still hesitate due to concerns about charging infrastructure and higher upfront costs. Industrial emissions also contribute significantly to air quality deterioration, requiring comprehensive policy reforms beyond just transportation sector changes. Conclusions: I. Vehicle emissions are the primary cause of urban air pollution. II. Electric vehicle adoption faces practical barriers despite environmental benefits. III. Solving air pollution requires multi-sectoral policy interventions.