Building Momentum for Carbon Pricing
China’s emissions trading system, extensively studied by Chenfei during her Ph.D. at Tsinghua University, covers a significant portion of global emissions. This effort has set the stage for other emerging economies like India, Turkey, Indonesia, and Vietnam to explore similar initiatives in carbon pricing. “In emerging economies especially, we are seeing momentum,” Chenfei noted, highlighting the shift in industrial expectations. Although not flawless, these developments are crucial for economies with substantial manufacturing and increasing energy demands as they encourage cleaner production methods.
Jackie concurred on the importance of policy signals, underscoring the varied impact and timelines of different policy tools. She argued that while carbon pricing can shape future expectations, current clean energy technologies still face high costs, particularly in the United States. “For a lot of these technologies, the problem is still cost,” Jackie remarked, stressing the need for reduced expenses.
Government initiatives, such as subsidies, have helped lower costs for renewable technologies like solar and wind power. However, with uncertain federal support, the private sector’s demand is becoming a primary accelerator. “Hyperscalers like Google and Microsoft are interested in 24/7 carbon-free power, and they want it yesterday,” Jackie observed, noting how corporate urgency is propelling advancements in expensive clean technologies like geothermal and nuclear power. Her research also delves into long-duration energy storage as a key component for 24/7 carbon-free systems.
Challenges in the Transition
Despite advancements, both Chenfei and Jackie identified the “green premium” as the main hurdle in the energy transition. Popularized by Bill Gates, this concept refers to the added cost of opting for clean technology over traditional fossil fuels. “We need to make clean options as cheap, or cheaper, than the dirty way of doing things,” Jackie explained.
Her research at Stanford focuses on the challenge of achieving zero-emissions heat for industrial purposes. She highlighted the limited options for carbon-free steel production, such as hydrogen combustion or carbon capture, both of which are costly. While some have turned to electrification, this approach depends on the availability of affordable electricity to offset the green premium.
Chenfei argued that solely reducing costs won’t suffice; increasing the cost of pollution is also essential. She emphasized, “Fossil fuels feel free to burn, but they aren’t. Carbon pricing internalizes the externalities, like health and climate impacts, that we are all paying for.”
Jackie agreed, stating that such pricing provides a target for scientists and engineers, setting goals for innovation. However, Chenfei noted that political challenges often hinder effective carbon pricing, as her research investigates the economic impacts across regions. Countries with large industrial sectors may resist strict domestic climate policies if their competitors are not adopting similar measures.
The Future of Climate Innovation
Despite the challenges, the postdocs find hope in the growing pressure to address climate change and energy demands, which also fuels innovation. “The stakes are higher than ever to drive down the green premium,” Jackie stated, expressing optimism in innovation under pressure.
As they move forward in their academic and research careers, Jackie and Chenfei stress the importance of a multifaceted approach to reaching net zero, involving diverse strategies and collective efforts.
Original Story at energy.stanford.edu