Context: The company aims to reduce its external environmental impact through energy-efficient evolution of products, and also reduce its direct operational impact through energy-efficiency programs. Internal energy-efficiency programs reportedly save the company more than $3 million annually in energy-cost savings. The largest component of the company's internal energy-efficiency savings comes through PC power management: the company expects to save $1.8 million in energy costs through using specialized energy-management software on a network of 50,000 PCs.

Question: What does Dell aim to reduce by creating energy efficient products?
Answer: external environmental impact

Question: How much does energy efficiency save Dell per year?
Answer: $3 million

Question: What is the largest contributor to Dell's energy efficiency savings?
Answer: PC power management

Question: How many PCs does Dell employ energy management software on?
Answer: 50,000

Question: What does Dell aim to increase by creating energy efficient products?
Answer: Unanswerable

Question: What doesn't Dell aim to reduce by creating energy efficient products?
Answer: Unanswerable

Question: How much does energy efficiency save Dell per month?
Answer: Unanswerable

Question: What is the smallest contributor to Dell's energy efficiency savings?
Answer: Unanswerable

Question: How many PCs does Dell employ energy management hardware on?
Answer: Unanswerable