FedEx is rolling out hybrid trucks, with an ambitious goal for particulate emission reduction. Hewlett-Packard, with immense global sourcing and global sales, has developed a Supply Chain Social and Environmental Responsibility Policy, along with a supplier code that includes environmental considerations. SC Johnson has for years worked to reduce toxic substances in its products and encourage recycling. Sun Microsystems is revamping product design, recycling, and end-of-life disposal processes. Timberland has developed a sustainability agenda that covers the use of energy, materials, chemicals, and systems. It has introduced water-based adhesives into shoe production and is recycling PVC as it moves toward zero PVC waste. And DHL—and Deutsche Post—are looking at biofuels and natural gas alternatives, as well as working on reducing greenhouse gas emissions and offering low-carbon (or carbon-neutral) shipping products.