The world of US piano moving is advancing rapidly, with innovative methodologies, emerging trends, and new technologies transforming the traditional landscape. These advancements not only influence the techniques employed in the transportation of pianos but also impact industry regulations, economics, customer expectations, and environmental considerations.

In the sphere of operations, advances in technology have begun to revolutionize the way pianos are handled. One such technological marvel is the increasing use of lift-gate trucks in piano movers' fleets. These vehicles, equipped with hydraulically operated gates, mitigate the risks associated with manually lifting heavy pianos, thereby enhancing the safety and efficiency of operations.

On the other side of the technological scale is the potential application of Artificial Intelligence (AI). While still in the realm of speculation, one can imagine the future use of AI in coordinating moves, predicting potential roadblocks or weather-related issues, and even in the development of robotic devices to help with the heavy lifting. The trade-off here is the cost of implementing such sophisticated technology versus the potential increase in efficiency and safety.

In terms of industry regulations, there is an increased focus on safety protocols and worker protection. The Occupational Safety and Health Administration (OSHA) has stringent rules in place for heavy equipment operations, which impacts the piano moving industry. The intricate balance is maintaining compliance while also preserving operational efficiency, a balance that is itself evolving in response to changes in regulatory norms.

Economic forces are also shaping the future of piano moving in the U.S. With the rise of e-commerce and digital marketplaces, customers now have the ability to compare services and prices across a range of piano movers. This price transparency has driven a more competitive market, potentially impacting the industry’s profit margins. In addition, the economic implications of fuel prices, labor costs, and insurance premiums also significantly influence the industry's future.

The expectations and preferences of customers are also key drivers of change. In today's fast-paced world, customers require quick, efficient, and hassle-free services. This demand for convenience has led to the development of online platforms and mobile applications which allow customers to schedule, track, and pay for their piano moves with just a few taps on their smart devices.

On a larger societal scale, the environmental impact of piano moving is increasingly under scrutiny. The industry's carbon footprint, primarily due to transportation, has become a significant concern. Consequently, the future may see an increased emphasis on environmentally friendly practices such as the use of electric or hybrid trucks, or carbon offsetting schemes.

In conclusion, the U.S. piano moving industry is undergoing a significant transformation, shaped by advancements in technology, regulatory changes, economic forces, customer expectations, and environmental considerations. The industry's future will likely be characterized by increased operational efficiency, heightened competition, and a more significant focus on environmental sustainability. However, it will also need to grapple with the challenges posed by regulatory compliance, price transparency, and the integration of technological innovations. As this transformation unfolds, the industry will undoubtedly continue to provide a vital service, ensuring the safe transportation of pianos across the country.