; (G) to implement innovative consumer marketing and contracting models, including pricing approaches (including consumer access to wholesale market pricing signals), that co-optimize transportation benefits and electric grid benefits, including by maximizing the value of the vehicle services to the electric grid while also maximizing value to the consumer (including by maximizing the flexibility of use of the vehicle to the driver or rider); (H) to investigate and implement user-friendly electric vehicle and related equipment financing models linked to the marketing of electric grid services, including the means by which the electric grid services provided by an electric vehicle can help finance the cost of the vehicle; (I) to investigate and implement programs to improve the access to, and affordability of, electric vehicles for low-income populations; (J) (i) to advance best practices for manufacturers of electric vehicles, charging equipment, and systems; and (ii) to embed those practices in programs and grant opportunities of the Department of Energy to leverage competitive market electric vehicle products and incentivize more rapid and widespread adoption; (K) to assist electric utilities and transit agencies in collaboratively planning an electrified fleet; (L) to investigate the use of fleet, transit, and municipal vehicle batteries as power sources for community shelter facilities during emergencies; (M) to develop analytical tools and financial models to assist electric utilities and transit agencies in assessing electric utility and infrastructure requirements to support selected transit vehicle technologies and charging profiles, including analytic tools— (i) to optimize the total cost of ownership; (ii) to develop electrification route maps and transition plans, with quantitative estimates of the population-weighted reductions in pollutant exposure from electrification of specific routes, including criteria pollutants and new pollutants of concern