Case Summary:              

North America Immigration Law Group (NAILG) is proud to share the successful approval of an I-140 NIW (National Interest Waiver) petition for our client, a mechanical engineering researcher originally from Vietnam. With a solid educational background and a consistent record of impactful research, the client’s petition was approved after receiving a Request for Evidence (RFE), reflecting the strength and clarity of the submitted evidence.

Advancing Fuel System Efficiency for a Sustainable Future

The client’s proposed endeavor focuses on developing new conceptual frameworks for fuel systems and combustion processes, with a strong emphasis on improving both efficiency and accuracy. Specifically, his research targets the optimization of compressed natural gas (CNG)-fueled direct injection spark ignition engines and the broader application of low-carbon synthetic fuels. These advancements are essential for reducing greenhouse gas emissions and supporting the transition toward sustainable transportation.

His work aligns closely with national priorities, including the federal push to cut carbon emissions and promote clean energy technologies. As transportation remains a leading source of greenhouse gas emissions in the United States, the client’s research addresses a problem of clear national importance.

Contributions to the Field and Research Recognition

To support the petition, we documented the client’s notable academic and research achievements, including:

• 4 peer-reviewed journal articles,
• 2 first-authored peer-reviewed conference papers, and
• 49 citations to date according to Google Scholar.

One of his journal papers ranked among the top 1% most-cited articles in engineering for its publication year, a clear testament to the originality and impact of his research. His work has been cited in leading journals by independent researchers around the world, confirming its influence in advancing environmentally conscious fuel solutions.

Well Positioned to Drive Mechanical Engineering Innovation

Our team demonstrated that the client is exceptionally well-positioned to advance his proposed endeavor. His educational background in automobile and tractor engineering, coupled with a clear and focused research plan, underpins his ability to continue making meaningful contributions in the field.

His work has also earned research funding from the National Research Foundation of Korea, further validating the importance and relevance of his investigations. The support of independent experts, documented through detailed recommendation letters, reinforced the credibility and scientific merit of his efforts.

Expert Support and Endorsement

As part of the petition, we submitted four letters of recommendation from established figures in the mechanical engineering community, each attesting to the client’s innovation and real-world impact.

“The resources available in the United States enable him to continue providing these contributions to the field, and the nation stands to benefit from his work.”

These expert insights helped solidify the argument that the client’s work meets the NIW standard of substantial merit and national importance.

Achieving a Positive Outcome After RFE

Despite receiving an RFE during the adjudication process, the case was ultimately approved thanks to a robust response built on thorough documentation and strategic framing of the client’s research trajectory. USCIS recognized the client’s demonstrated record of success and future potential in helping to develop cleaner, more efficient transportation technologies.

At NAILG, we are honored to have assisted this talented mechanical engineer in obtaining his I-140 NIW approval. We look forward to seeing his continued contributions to energy sustainability and fuel system innovation in the United States.